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").

Ex Input:
Fact1: safety goggles are used for protecting the eyes during experiments, Fact2: Larger pupil and larger corneas permit more light to enter the eye., Question: What are used for protecting the pupils during experiments? (A) specialized (B) safety gloves (C) safety goggles (D) safe operation (E) lamphreys (F) Chemicals (G) chemical messengers (H) safety suit

Ex Output:
C

Ex Input:
Fact1: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Plants reproduce by seeds and rhizomes., Question: What do gymnosperms use to reproduce? (A) roots (B) cones (C) ovaries (D) family (E) CO 2 (F) instinct (G) embryos (H) Mitosis

Ex Output:
B

Ex Input:
Fact1: when sound reaches the ear , that sound can be heard, Fact2: Otoacoustic emissions are sounds the ear generates., Question: What are the vibrations in the ear called? (A) intensity (B) very complex (C) melanin content (D) lamphreys (E) Otoacoustic (F) weater (G) Seisometers (H) trucks and cars

Ex Output:
E