Scenario: "What is the refund policy?"
Retrieved context: "Refunds within 30 days. Digital products non-refundable..."

(Faithful)
Response A: "Refunds within 30 days. Email support@example.com."     

(hallucinated)
Response B: "Refunds within 30 days. Also store credit for 90 days."

(ignored context)
Response C: "Not sure, check the website."

(verbose but accurate)
Response D: "The policy states that refunds are available within..."