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: safety goggles are used for protecting the eyes during experiments, Fact2: Firm plastic eyeglasses or goggles are better., Question: What protects the eyes during experiments? (A) magnesium (B) Chemicals (C) Vibrissae (D) Type O (E) Rolex (F) plastic (G) water (H) wind
[EX A]: F

[EX Q]: Fact1: Nonmetal elements are far fewer in number., Fact2: Each element is either a metal, nonmetal, or metalloid., Question: elements that are not metal or metalloid are far what in number? (A) DNA (B) Type O (C) Mohs (D) fewer (E) eight (F) Unsafe (G) 86400 (H) distal
[EX A]: D

[EX Q]: Fact1: hitting an object causes the particles in that object to vibrate, Fact2: Sounds are caused by vibrations., Question: hitting an object causes (A) flooding (B) voltage (C) heat (D) waves (E) Sounds (F) friction (G) kinetic (H) cracks
[EX A]:
E