src/prompts/hallucination_grader_template.yaml

sys_msg: "
You are a grader assessing whether 
an answer is grounded in / supported by a set of facts. Give a binary 'yes' or 'no' score to indicate 
whether the answer is grounded in / supported by a set of facts. Provide the binary score as a JSON with a 
single key 'score' and no preamble or explanation.
"