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: transportation technology is used for moving people, Fact2: Model rocketry is an exciting way to study transportation technology., Question: Model rocketry can be used to study how people are what? (A) able to read (B) warm (C) dead (D) living (E) moved (F) born (G) humans (H) moved by emotion
[A]: E


[Q]: Fact1: global warming is when worldwide temperature increases, Fact2: Global warming is caused by carbon dioxide trapped in the atmosphere., Question: What does carbon dioxide cause? (A) skateboards (B) Greenhouse gases (C) Worldwide temperature increase (D) major threat to health (E) direct damage to the lungs (F) running (G) a lot of human deaths (H) Temperature decrease
[A]: C


[Q]: Fact1: Earthworm burrows help aerate soil, which is also good for plants., Fact2: Earthworms and other soil organisms keep the soil healthy., Question: what do organisms aerate? (A) magma (B) moles. (C) roots (D) Carbon (E) volcanoes (F) cell walls (G) soil (H) Crops
[A]:
G