Opik-demo.py
from opik.evaluation.metrics import (
    Hallucination,
    AnswerRelevance,
    ContextPrecision,
    ContextRecall
)

hallucination_metric = Hallucination()
answer_relevance_metric = AnswerRelevance()
context_precision_metric = ContextPrecision()
context_recall_metric = ContextRecall()