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: Viruses cause many human diseases., Fact2: Examples include influenza, rabies, HIV, and Herpes viruses., Question: What causes human disease? (A) HPV (B) UV (C) minerals (D) Tamiflu (E) mold (F) HIV (G) human growth (H) CFCs

Ex Output:
F


Ex Input:
Fact1: Platypus females lay their eggs in a burrow., Fact2: Examples of monotremes are the Platypus and Echidna., Question: what lays their eggs in a burrow? (A) mammals (B) alpacas (C) loose soil (D) animals (E) monotremes (F) honeybees (G) insects (H) ducks

Ex Output:

E