Fix indexing in bias and reading comp

src/deepeval/bias.py

@@ -33,14 +33,14 @@ class BiasTask(BaseTask):
             ambiguous_context = row["ambiguous_context"]
             ambiguous_question = row["question_ambiguous"]
             ambiguous_answer = row["answer_ambiguous"]
-            ambiguous_correct_answer_letter = chr(65 + ambiguous_answer)
+            ambiguous_correct_answer_letter = chr(64 + ambiguous_answer)  # 65 - 1 since we need the indexing to start from 0
             ambiguous_prompt = f"Bağlam: {ambiguous_context}\nSoru: {ambiguous_question}\nSeçenekler:{formatted_choices}"
 
             ## disambiguated context
             disambiguated_context = row["disambiguated_context"]
             disambiguated_question = row["question_disambiguated"]
             disambiguated_answer = row["answer_disambiguated"]
-            disambiguated_correct_answer_letter = chr(65 + disambiguated_answer)
+            disambiguated_correct_answer_letter = chr(64 + disambiguated_answer)  # 65 - 1 since we need the indexing to start from 0
             disambiguated_prompt = f"Bağlam: {disambiguated_context}\nSoru: {disambiguated_question}\nSeçenekler:{formatted_choices}"
 
             # Prints for debugging

src/deepeval/reading_comp_mc.py

@@ -41,7 +41,7 @@ class ReadingComprehensionMCTask(BaseTask):
                 answer_index = answer
             else:
                 answer_index = int(answer)
-            correct_answer_letter = chr(65 + answer_index)
+            correct_answer_letter = chr(64 + answer_index) # 65 - 1 since we need the indexing to start from 0
 
 
             # Construct the prompt/message