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").

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
D

Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor
A

Fact1: vinegar can cause harm to the eyes, Fact2: Vinegar, battery acid, and wine are acids., Question: What can acids do the eyes? (A) clean the eyes (B) harm them (C) help the eyes (D) heal the eyes (E) protect them (F) Relieve pain (G) kill them (H) Change colors

B