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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals

Ex Output:
F

Ex Input:
Fact1: bees convert nectar into honey, Fact2: Butterflies feed on nectar produced by flowers., Question: From what part of the plant do bees collect the substance they need to make honey? (A) Fruit (B) a hosta (C) food (D) Leaves (E) keratin (F) Flowers (G) liquids (H) Stem

Ex Output:
F

Ex Input:
Fact1: an animal requires warmth for survival, Fact2: Individual with best survival alleles survive with the largest handicap., Question: Animals require warmth as encoded on what? (A) organ (B) glycogen (C) messengers (D) proteins (E) alleles (F) tissue (G) the skin (H) hormones

Ex Output:
E