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: Temperature falls from lower to higher altitudes., Fact2: If the weather is warm, their temperature rises., Question: What falls from lower to higher altitudes? (A) warm weather (B) sun's heat (C) rainfall (D) heat energy (E) kinetic energy (F) water vapor (G) colder and wetter (H) Greenhouse gasses

Ex Output:
A


Ex Input:
Fact1: Sperm are deposited in the vagina during sexual intercourse., Fact2: Male gametes are sperm., Question: What are deposited in the vagina during sexual intercourse? (A) several genes (B) prokaryotic cells (C) cilia (D) female gametes (E) testicles (F) male gametes (G) irritants (H) Vibrissae

Ex Output:
F


Ex Input:
Fact1: Aging occurs as cells lose their ability to divide., Fact2: Gerontology is the study of the aging process and old age., Question: What happens as cells lose their ability to divide? (A) anemia (B) puberty (C) negative (D) radiation (E) getting old (F) replication (G) Dehydration (H) having a baby

Ex Output:

E