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").

[EX Q]: Fact1: Wings are part of the exoskeleton and attached to the thorax., Fact2: Insect wings are attached to the dorsal side of their thorax., Question: What side of an insect are wings attached to? (A) white (B) dorsal (C) protected (D) abdomen (E) elytra (F) three (G) strong (H) tail
[EX A]: B

[EX Q]: Fact1: gases released during the use of fossil fuels causes global warming, Fact2: Oil is a fossil fuel., Question: Gases released during the use of oil causes what? (A) global warming (B) better weather on the earth (C) colder weather (D) less oily air (E) The atmosphere (F) flooding (G) Temperature (H) cleaner air to breathe
[EX A]: A

[EX Q]: Fact1: transportation technology is used for moving people, Fact2: Technology permits space travel and transportation., Question: what is used for moving people? (A) a hydraulic system (B) birds (C) rivers (D) clouds (E) lava (F) space travel (G) engines (H) electricity
[EX A]:
F