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: Playing is just one of many ways that mammals and other animals learn how to behave., Fact2: Acting is about behaving., Question: What is one of the ways that mammals and other animals learn how to act? (A) sleeping (B) Movement (C) mating (D) exercise (E) eating (F) sound (G) playing (H) motion

Ex Output:
G

Ex Input:
Fact1: a seismometer is used to measure the strength or magnitude of an earthquake, Fact2: Earthquakes are measured on a scale of 1 to 10., Question: How do we grade earthquakes (A) Seisometers (B) Cladistics (C) feedback (D) Measuring the ground (E) Check out the sky (F) classified (G) Taking temperature (H) the Himalayas

Ex Output:
A

Ex Input:
Fact1: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Rainbows form when raindrops refract sunlight., Question: what causes rainbows? (A) mutations (B) sunlight (C) earthquake (D) magma (E) wind (F) light (G) Condensation (H) flowers

Ex Output:
B