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: building housing developments usually requires replacing animal habitats, Fact2: Habitat destruction is the primary cause of extinction or threat of extinction for all animals., Question: Building housing developments may cause  (A) eruptions (B) colder weather (C) disease (D) erosion (E) extinction (F) mutations (G) Destroy bridges (H) deforestation

Ex Output:
E


Ex Input:
Fact1: crossing two living things with recessive traits causes their offspring to have that recessive trait, Fact2: Freckles are an autosomal recessive trait., Question: Crossing two living things with freckles causes who to have freckles? (A) pebbles (B) sea urchins (C) humans (D) some mammals (E) makeup (F) clothing (G) monotremes (H) offspring

Ex Output:
H


Ex Input:
Fact1: a greenhouse is used to protect plants by keeping them warm, Fact2: Another well known plant is the Mesquite Bush., Question: What can a greenhouse protect by keeping warm? (A) mussels (B) Species (C) organisms (D) lights (E) bushes (F) rocks (G) Oak (H) hats

Ex Output:

E