GPT 3.5 erzeugter RAG-Trainingsdatensatz.
prompt = """You have been assigned a retrieval task: {task}
Your mission is to write one text retrieval example for this task in JSON format. The JSON object must
contain the following keys:
'user_query': a string, a random user search query specified by the retrieval task.
'positive_document': a string, a relevant document for the user query.
