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: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What do frogs breathe with when they are adults? (A) skin (B) fins (C) lungs (D) oxygen (E) gills (F) air (G) Energy (H) Gases
[EX A]: C

[EX Q]: Fact1: a scale is used for measuring weight, Fact2: All weight is in pounds., Question: what is a scale used for measuring? (A) waves (B) hardness (C) SI units (D) measures (E) intensity (F) fat (G) strength (H) pounds
[EX A]: H

[EX Q]: Fact1: crumple means change shape from smooth into compacted by physical force, Fact2: Crumple the foil then carefully reopen it., Question: what can be changed from smooth to compacted by physical force? (A) Roads (B) dirt (C) h2o (D) soils (E) foil (F) wood (G) oxygen (H) hair
[EX A]:
E