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: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: DNA, which contains our genetic code, is the basic building block of chromosomes., Question: DNA causes what to inherit genetic traits? (A) offspring (B) some mammals (C) ancestors (D) Nematoda (E) heterotrophs (F) animals (G) minerals (H) grandparents

Ex Output:
A


Ex Input:
Fact1: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction?  (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery

Ex Output:
B


Ex Input:
Fact1: a plant requires nutrients to grow, Fact2: Bamboos are vigorous, rugged plants., Question: What requires nutrients to grow? (A) Conifers (B) stars (C) the sun (D) cows (E) Oak (F) rocks (G) bamboo (H) humans

Ex Output:

G