diff --git a/prepare/formats/empty.py b/prepare/formats/empty.py
index ce90c7ea6..a34f94dba 100644
--- a/prepare/formats/empty.py
+++ b/prepare/formats/empty.py
@@ -6,4 +6,12 @@
     model_input_format="{system_prompt}\\N{instruction}\\N{demos}{source}\\N{target_prefix}",
 )
 
+default_format = SystemFormat()
+assert (
+    format.demo_format == default_format.demo_format
+), f"{format.demo_format} != {default_format.demo_format}"
+assert (
+    format.model_input_format == default_format.model_input_format
+), f"{format.model_input_format} != {default_format.model_input_format}"
+
 add_to_catalog(format, "formats.empty", overwrite=True)
diff --git a/prepare/templates/classification/multi_class/relation.py b/prepare/templates/classification/multi_class/relation.py
index c557cfa76..0722e2dbe 100644
--- a/prepare/templates/classification/multi_class/relation.py
+++ b/prepare/templates/classification/multi_class/relation.py
@@ -3,7 +3,7 @@
 
 add_to_catalog(
     InputOutputTemplate(
-        input_format="{text_a_type}: {text_a}, {text_b_type}: {text_b}",
+        input_format="{text_a_type}: {text_a}\n{text_b_type}: {text_b}",
         output_format="{label}",
         target_prefix="The {type_of_relation} class is ",
         instruction="Given a {text_a_type} and {text_b_type} classify the {type_of_relation} of the {text_b_type} to one of {classes}.",
diff --git a/src/unitxt/catalog/templates/classification/multi_class/relation/default.json b/src/unitxt/catalog/templates/classification/multi_class/relation/default.json
index 0571e5ed1..058667c17 100644
--- a/src/unitxt/catalog/templates/classification/multi_class/relation/default.json
+++ b/src/unitxt/catalog/templates/classification/multi_class/relation/default.json
@@ -1,6 +1,6 @@
 {
     "type": "input_output_template",
-    "input_format": "{text_a_type}: {text_a}, {text_b_type}: {text_b}",
+    "input_format": "{text_a_type}: {text_a}\n{text_b_type}: {text_b}",
     "output_format": "{label}",
     "target_prefix": "The {type_of_relation} class is ",
     "instruction": "Given a {text_a_type} and {text_b_type} classify the {type_of_relation} of the {text_b_type} to one of {classes}.",
diff --git a/src/unitxt/formats.py b/src/unitxt/formats.py
index ff70ea01c..87fbc96c1 100644
--- a/src/unitxt/formats.py
+++ b/src/unitxt/formats.py
@@ -114,9 +114,9 @@ class SystemFormat(Format):
     """
 
     demos_field: str = "demos"
-    demo_format: str = "{source}\n{target_prefix}{target}\n\n"  #  example: "User: {source}\nAgent: {target}\n\n"
+    demo_format: str = "{source}\\N{target_prefix}{target}\n\n"  #  example: "User: {source}\nAgent: {target}\n\n"
     model_input_format: str = (
-        "{system_prompt}{instruction}{demos}{source}\n{target_prefix}"
+        "{system_prompt}\\N{instruction}\\N{demos}{source}\\N{target_prefix}"
     )
     format_args: Dict[str, str] = OptionalField(default_factory=dict)
 
diff --git a/tests/library/test_api.py b/tests/library/test_api.py
index f307f4e60..07515b1db 100644
--- a/tests/library/test_api.py
+++ b/tests/library/test_api.py
@@ -65,7 +65,7 @@ def test_produce_with_recipe(self):
 
         target = {
             "metrics": ["metrics.f1_micro", "metrics.accuracy", "metrics.f1_macro"],
-            "source": "Given a premise and hypothesis classify the entailment of the hypothesis to one of entailment, not entailment.premise: Steve follows Fred's example in everything. He influences him hugely., hypothesis: Steve influences him hugely.\nThe entailment class is entailment\n\npremise: The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood., hypothesis: The police were trying to stop the drug trade in the neighborhood.\nThe entailment class is not entailment\n\npremise: It works perfectly, hypothesis: It works!\nThe entailment class is ",
+            "source": "Given a premise and hypothesis classify the entailment of the hypothesis to one of entailment, not entailment.\npremise: Steve follows Fred's example in everything. He influences him hugely.\nhypothesis: Steve influences him hugely.\nThe entailment class is entailment\n\npremise: The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood.\nhypothesis: The police were trying to stop the drug trade in the neighborhood.\nThe entailment class is not entailment\n\npremise: It works perfectly\nhypothesis: It works!\nThe entailment class is ",
             "target": "?",
             "references": ["?"],
             "task_data": '{"text_a": "It works perfectly", '
@@ -103,7 +103,7 @@ def test_produce_with_recipe_with_list_of_instances(self):
 
         target = {
             "metrics": ["metrics.f1_micro", "metrics.accuracy", "metrics.f1_macro"],
-            "source": "Given a premise and hypothesis classify the entailment of the hypothesis to one of entailment, not entailment.premise: Steve follows Fred's example in everything. He influences him hugely., hypothesis: Steve influences him hugely.\nThe entailment class is entailment\n\npremise: The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood., hypothesis: The police were trying to stop the drug trade in the neighborhood.\nThe entailment class is not entailment\n\npremise: It works perfectly, hypothesis: It works!\nThe entailment class is ",
+            "source": "Given a premise and hypothesis classify the entailment of the hypothesis to one of entailment, not entailment.\npremise: Steve follows Fred's example in everything. He influences him hugely.\nhypothesis: Steve influences him hugely.\nThe entailment class is entailment\n\npremise: The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood.\nhypothesis: The police were trying to stop the drug trade in the neighborhood.\nThe entailment class is not entailment\n\npremise: It works perfectly\nhypothesis: It works!\nThe entailment class is ",
             "target": "?",
             "references": ["?"],
             "task_data": '{"text_a": "It works perfectly", '