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: if an animal lives under ground then that animal will be protected from a wild fire, Fact2: Many squirrels live in burrows under the ground instead of in the trees., Question: Many squirrels are protected from what by their burrows (A) disease (B) wild fire (C) A virus (D) Wet weather (E) sun's heat (F) cold air (G) Winter (H) deforestation
B

Fact1: rain causes erosion, Fact2: Erosion of dunes leads to erosion of the beach and of the Island., Question: What can destroy dunes? (A) wind (B) fire (C) turtles (D) storms (E) clams (F) heat (G) rain (H) grain
G

Fact1: TRH stimulates the pituitary gland to produce thyroid-stimulating hormone, or TSH., Fact2: TRH synthesis is regulated directly by thyroid hormones., Question: What is TSH regulated by? (A) pituitary (B) sweating (C) animals (D) glucose (E) heat or cold (F) heat produced (G) temperature (H) organ

A