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: if all members of a species cannot produce offspring then that species will likely become extinct, Fact2: Avian species are less likely to become extinct if they are common across large ranges., Question: Avian species are less likely to end up extinct if they what? (A) single-celled organisms (B) important habitats (C) abandon habitats (D) stop reproducing (E) animals with backbones (F) produce offspring (G) population movement (H) destroy offspring

Ex Output:
F


Ex Input:
Fact1: Mutualism is a symbiotic relationship in which both species benefit., Fact2: Dogs and humans are symbiotic species., Question: what exists between dogs and humans? (A) mutualism (B) gravity (C) communication (D) antigens (E) several genes (F) space between (G) electrons (H) german shepherd

Ex Output:
A


Ex Input:
Fact1: sandpaper is used to smooth wooden objects, Fact2: Scrap wood can be used for cheap wooden bins., Question: What is used to smooth wood? (A) hairs (B) cilia (C) feedback (D) lamphreys (E) sandpaper (F) pulp (G) keratin (H) fluid

Ex Output:

E