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: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex
[A]: D


[Q]: Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Polar bears are mammals., Question: What can generate little bursts of heat by shivering? (A) alpacas (B) bacteria (C) animals (D) polar bears (E) phytoplankton (F) rabbit (G) viruses (H) humans
[A]: D


[Q]: Fact1: condensing means changing from a gas into a liquid by reducing heat energy, Fact2: Condensation is water vapor changing to liquid water., Question: What does reducing heat energy do to a vapor? (A) decreases its bodily water (B) It remains dormant (C) evaporation (D) recovery time from fatigue (E) Dehydration (F) Turns it into water (G) It becomes dormant (H) major threat to health
[A]:
F