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: a mold spore has a negative impact on the respiratory system, Fact2: Insects also have both a heart and a respiratory, or breathing, system., Question: Mold spores have what impact on breathing? (A) neutral (B) ambiguous (C) symptoms (D) motility (E) positive (F) dangerous (G) negative (H) uncontrolled

A: G
****
Q: Fact1: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical

A: G
****
Q: Fact1: Ethologists usually study how animals behave in their natural environment., Fact2: Many ethologists capture their observations on videotape or audio tape., Question: Scientists study animal behavior through which of the following? (A) audio and video tape (B) Electrical energy (C) irradiation (D) A computer (E) raising their temperature (F) Something coming from a gland (G) The bending of a ray of light (H) characteristics

A:
A
****