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: Firm plastic eyeglasses or goggles are better., Question: What protects the eyes during experiments? (A) magnesium (B) Chemicals (C) Vibrissae (D) Type O (E) Rolex (F) plastic (G) water (H) wind

Ex Output:
F

Ex Input:
Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself

Ex Output:
G

Ex Input:
Fact1: protein is used to repair cells by the human body, Fact2: Pain in the body indicates there is a wound which requires cell repair and cell regeneration., Question: what does wound healing require (A) protein (B) nutrients (C) Enzymes (D) food (E) blood (F) amino acids (G) carbohydrates (H) cells

Ex Output:
A