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: Veins generally carry deoxygenated blood., Fact2: Arteries and veins are blood vessels., Question: what generally carries deoxygenated blood? (A) blood vessels (B) animals (C) layers of fat (D) mammals (E) critical organs (F) an organism's body (G) elephants (H) athletes

Ex Output:
A


Ex Input:
Fact1: Infancy is the period of most rapid growth after birth., Fact2: During infancy, babies learn whether to trust the world., Question: Babies do what most during their rapid growth period? (A) birth (B) move (C) run (D) fight (E) puberty (F) play (G) learn (H) shaking

Ex Output:
G


Ex Input:
Fact1: Ribosomes are small organelles where proteins are made., Fact2: Many antibiotics affect the ribosome., Question: What affect small organelles where proteins are made? (A) harm them (B) fossil fuels (C) Allergies (D) Veins and arteries. (E) adding heat (F) Greenhouse gasses (G) wavelengths and photons (H) many antibiotics

Ex Output:

H