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: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects living in colonies., Question: which of the following are known to have complex social behaviors? (A) dogs (B) Wasps (C) tigers (D) Birds (E) toads (F) Tasmanian devils (G) koalas (H) Ants

Ex Output:
H

Ex Input:
Fact1: a greenhouse is used to protect plants by keeping them warm, Fact2: Flower size varies by plant., Question: How does a greenhouse protect flowers? (A) keeps them away from the sun (B) keeps them warm (C) keeps them out of soil (D) an external framework (E) it needs them (F) keeps them cold (G) rays or beams (H) by indirect light

Ex Output:
B

Ex Input:
Fact1: the mass of a planet causes the pull of gravity on that planet, Fact2: Weight is the measurment of the force of gravity on a mass., Question: What determines the weight of an object? (A) Force of gravity pulling it (B) Inches or fractions of inches. (C) Burning fuel and air (D) a hemisphere is tilted away from the sun (E) a hydraulic system (F) kinetic energy (G) a tree falling (H) principals of aerodynamics

Ex Output:
A