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 parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host?  (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.

Ex Output:
B


Ex Input:
Fact1: Adult worms go through a major transformation to develop reproductive organs., Fact2: An enlarged cummerbund-like band near the worm's head holds the reproductive organs., Question: What grows a cumberbund-like band around itself in adulthood? (A) legumes (B) Bats (C) mammals (D) bamboo (E) swea (F) worms (G) fungi (H) bushes

Ex Output:
F


Ex Input:
Fact1: when electricity flows to a light bulb , the light bulb will turn on, Fact2: Most of the energy a light bulb uses turns into heat., Question: When electricity flows to a light bulb, the energy it uses becomes what? (A) less (B) shadowed (C) energy (D) waves (E) heat (F) unique (G) matter (H) removed

Ex Output:

E