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").

Q: Fact1: Butter is a fat that is a solid at room temperature., Fact2: Some fats are more likely to cause heart disease., Question: What can butter lead to? (A) Heart disease (B) air pollution (C) reproduction (D) destruction (E) religion (F) trees (G) heating (H) Tooth pain

A: A
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Q: Fact1: if an organism becomes too hot then that organism may die, Fact2: Hot sun can bleach flowers., Question: What can kill flowers? (A) Petals (B) Too much sun (C) cancer (D) Pollination (E) burning (F) dry conditions (G) Pesticides (H) Quality soil

A: B
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Q: 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

A:
C
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