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: 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: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat comes in contact with the skin it is cooled as the sweat evaporates., Question: energy leaves from what when sweat contacts with skin (A) radiation (B) heat energy (C) expelled (D) vapors (E) body heat (F) heat produced (G) conduction (H) metal

Ex Output:
E


Ex Input:
Fact1: Some insects can use their antennae to detect sound., Fact2: Ants and butterflies have antennae., Question: what can detect sound? (A) a fish (B) Firecrackers (C) A computer (D) Electric devices (E) butterflies (F) electricity (G) humans (H) insects

Ex Output:

E