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: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are free nerve endings or nerve endings that are surrounded by a capsule., Question: What senses differences in temperature? (A) the skin (B) Electric devices (C) animals (D) an electric stove (E) nerve endings (F) an organism's body (G) Most plants (H) peachleaf willow

Ex Output:
E


Ex Input:
Fact1: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Tulips perform best in a sandy, organically enriched soil., Question: Earthworms help form and add what to soil (A) Sediment (B) organic material (C) Converting waste. (D) bacteria (E) heat (F) Chemical energy (G) grass (H) acidity

Ex Output:
B


Ex Input:
Fact1: shelter is used for protection by animals against weather, Fact2: Caves or rock overhangs provide shelter., Question: What do animals find protection from when using rock overhangs? (A) sun's heat (B) insects (C) weather (D) erosion (E) rivers (F) bats (G) wind (H) the sun

Ex Output:

C