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: telephones are used for communication by two people by transmitting sound, Fact2: Cell phones are, bottom line, radios with a connection to a telephone company., Question: What are used for two people for communication with sound? (A) cell phones (B) messengers (C) energy (D) megaphones (E) A Greek letter (F) flashlights (G) gramophones (H) electricity

Ex Output:
A


Ex Input:
Fact1: Birds evolved from a group of bipedal dinosaurs called theropods., Fact2: All hawks are birds., Question: What evolved from a group of bipedal dinosaurs called theropods? (A) alpacas (B) bacteria (C) hawks (D) vision (E) humans (F) animals (G) mammals (H) viruses

Ex Output:
C


Ex Input:
Fact1: Pressure receptors are found mainly in the skin., Fact2: All pain receptors are free nerve endings., Question: What are found in skin? (A) cell walls (B) parasites (C) dust (D) layers of fat (E) Veins and arteries. (F) free nerve endings (G) it keeps an organism warm (H) ice

Ex Output:

F