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: measuring the hardness of minerals requires scratching those materials, Fact2: To figure out the hardness of a mineral, the Moh's scale of hardness is used., Question: the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics

Ex Output:
E


Ex Input:
Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects living in colonies., Question: What type of behavior does an ant have? (A) Randomized (B) Social (C) Solitary (D) dangerous (E) complex (F) Problematic (G) movement (H) kinetic

Ex Output:
B


Ex Input:
Fact1: an image in a mirror is formed by reflecting light, Fact2: Mirrors in telescopes reflect light waves., Question: what do mirrors reflect? (A) Vanes (B) Joules (C) the sun (D) waves (E) motion (F) photons (G) eyes (H) retina

Ex Output:

D