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: an animal usually requires a warm body temperature for survival, Fact2: Squirrels hide and sleep in a secret warm place all winter., Question: What requires hiding and sleeping for survival? (A) bacteria (B) rice (C) amphibians (D) organisms (E) Frogs (F) trees (G) humans (H) animals

Ex Output:
H


Ex Input:
Fact1: Sweat wets the skin, and when it evaporates, it cools the body., Fact2: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled., Question: What cools the skin? (A) humidity (B) temperature (C) condensation (D) Solar energy (E) evaporation (F) vaporization (G) layers of fat (H) water vapor

Ex Output:
E


Ex Input:
Fact1: Hermit crabs use the shells of dead snails for homes., Fact2: Most crabs are scavengers, such as the typical hermit crab ., Question: What do some scavengers use from dead snails for homes? (A) food (B) shells (C) tissue (D) biomass (E) backbones (F) sponges (G) body (H) slugs

Ex Output:

B