diff --git a/.env_template b/.env_template
index d54ea95..3f66f4f 100644
--- a/.env_template
+++ b/.env_template
@@ -1,4 +1,5 @@
 RECIPE_PATH=AMUseBotFront/ai_talks/AMUseBotBackend/recipe/ 
 DIALOG_PATH=AMUseBotFront/ai_talks/AMUseBotBackend/dialog/
 INTENT_DICT_PATH=ai_talks/AMUseBotBackend/utils/intent_dict.json
-MODEL_IDENTIFIER_PATH=ai_talks/AMUseBotBackend/models/NLU/roberta-base-cookdial.txt
\ No newline at end of file
+MODEL_IDENTIFIER_PATH=ai_talks/AMUseBotBackend/models/NLU/roberta-base-cookdial.txt
+INGREDIENTS_RECIPES_MERGED=
\ No newline at end of file
diff --git a/ai_talks/AMUseBotBackend/src/tools/search.py b/ai_talks/AMUseBotBackend/src/tools/search.py
index 5f3164e..d799d6e 100644
--- a/ai_talks/AMUseBotBackend/src/tools/search.py
+++ b/ai_talks/AMUseBotBackend/src/tools/search.py
@@ -4,6 +4,12 @@ import sys
 import numpy as np
 from rank_bm25 import BM25Okapi
 
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+INGREDIENTS_RECIPES_MERGED = os.getenv('INGREDIENTS_RECIPES_MERGED')  
 
 def weighted_search(tokenized_query, bm25_recipes, bm25_ingredients,
                     tok_text_recipes, tok_text_ingredients, weight_recipe=10, weight_ingredient=1):
@@ -29,7 +35,7 @@ def search_recipe(query):
 
     tok_text_ingredients = []
     tok_text_recipes = []
-    with open('AMUseBotFront/ai_talks/AMUseBotBackend/utils/tools/ingredients_recipes_merged.csv', 'r') as file:
+    with open(INGREDIENTS_RECIPES_MERGED, 'r') as file:
         for line in file:
             line = line.split(',  ')
             ingredients_splitted = [x for x in line[1].split(',')]
diff --git a/ai_talks/AMUseBotBackend/utils/req_substitute_gpt_sample.txt b/ai_talks/AMUseBotBackend/utils/req_substitute_gpt_sample.txt
new file mode 100644
index 0000000..54c29fe
--- /dev/null
+++ b/ai_talks/AMUseBotBackend/utils/req_substitute_gpt_sample.txt
@@ -0,0 +1,55 @@
+Can you suggest a substitute for eggs in baking recipes?
+I have a nut allergy. What can I use as a substitute for almond flour in my recipe?
+I'm out of buttermilk. Is there a good substitute I can use in my pancakes?
+I want to make a vegetarian version of a recipe that calls for chicken broth. What can I use as a substitute?
+I don't have any fresh herbs on hand. Can you recommend a substitute for fresh basil in my pasta sauce?
+My recipe calls for white wine, but I don't have any. What can I substitute it with?
+I'm following a gluten-free diet. What can I use instead of regular flour in my bread recipe?
+I want to make a dairy-free dessert. What can I use as a substitute for butter?
+I'm making a recipe that calls for heavy cream. Is there a substitute I can use?
+I'm allergic to soy. Can you suggest an alternative to soy sauce in my stir-fry recipe?
+Substitute for eggs in baking?
+Almond flour alternative?
+Buttermilk substitute for pancakes?
+Vegetarian broth replacement?
+Substitutes for fresh basil?
+Alternative to white wine?
+Gluten-free flour options?
+Dairy-free butter substitute?
+Substitute for heavy cream?
+Soy sauce alternative?
+Out of milk, any alternatives?
+No milk, what can I use instead?
+Need milk substitute, suggestions?
+Milk unavailable, any other options?
+Running low on milk, substitutes?
+I'm out of milk, what can I use as a substitute?
+I don't have eggs, any alternatives?
+Running low on sugar, any other options?
+Salt is unavailable, what can I use instead?
+Need a substitute for butter, any suggestions?
+I'm out of tomatoes, what can I use in their place?
+I don't have garlic, any alternatives?
+Running low on flour, any other options?
+Vanilla extract is unavailable, what can I use instead?
+Need a substitute for lemon juice, any suggestions?
+I don't have tomatoes.
+I don't have cilantro.
+I don't have yogurt.
+I don't have chickpeas.
+I don't have tamarind chutney.
+I don't have sev.
+I don't have potatoes.
+I don't have onions.
+I don't have green chilies.
+I don't have puffed rice.
+I don't have cow's milk.
+I don't have soy milk.
+I don't have cream.
+I don't have flour.
+I don't have all-purpose flour.
+I don't have whole wheat flour.
+I don't have self-rising flour.
+I don't have gluten-free flour.
+I don't have almond flour.
+I don't have coconut flour.
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