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: high pressure systems cause clear weather, Fact2: Weather Clear weather usually means good visibility., Question: what does a high pressure system cause? (A) hyperthyroidism (B) lowered energy cost (C) harmful substances (D) Heart rate (E) good visibility (F) It gets heated up (G) Pollution (H) rainfall

Ex Output:
E

Ex Input:
Fact1: exercise increases a body 's strength, Fact2: Strength is increased by resistance activities., Question: which of the following are a type of exercise? (A) resistance activities (B) fantasy football (C) sitting down (D) Relieve pain (E) Something that is self-aware (F) running for office (G) animal behaviorists (H) Riding a bike

Ex Output:
A

Ex Input:
Fact1: Vertebrate chordates have a backbone., Fact2: Invertebrates have no vertebrae or backbone., Question: What kind of animal is classified as having a vertebrae? (A) it keeps an organism warm (B) invertebrate (C) vertebrate chordate (D) gastropod shells (E) the body's largest organ (F) remains of prehistoric life (G) hard boned animals (H) roundworm

Ex Output:
C