Definition: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Input: Fact1: safety goggles are used for protecting the eyes during experiments, Fact2: Goggles are worn to protect eyes., Question: what are goggles used for? (A) homeostasis (B) medical reasons (C) Communication (D) protection (E) treatment (F) winter (G) One can hear (H) safe driving
Output:
D