instruction:
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").
question:
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
answer:
F

question:
Fact1: nuclear reactions in stars causes stars to produce light, Fact2: An intense bright light produces a glare., Question: What in stars cause stars to produce bright glares (A) energy of moving objects (B) nuclear reactions (C) direct energy (D) shining suns (E) bright activity (F) Chemical energy (G) moving moons (H) heat energy
answer:
B

question:
Fact1: Ancestors of hagfish are thought to have been the earliest vertebrates., Fact2: Vertebrates are animals with backbones, such as horses., Question: Ancestors of hagfish are thought to have been the earliest animals with what? (A) fossil record (B) antigens (C) backbones (D) antibodies (E) arms (F) feet (G) hairs (H) wings
answer:
C