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").

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
C

Fact1: a prism is used for refracting light, Fact2: Refraction is the bending of light cause by a speed change when it passes through different media., Question: What aspect of light changes when it passes from air into a prism? (A) power (B) seasons (C) speed (D) energy (E) a wave (F) Joules (G) heat (H) unique
C

Fact1: a airplane is used for moving people across bodies of water, Fact2: An island is land surrounded by water., Question: People can be moved where in an airplane? (A) outer space (B) oceans (C) the moon (D) islands (E) Pacific (F) germany (G) the sun (H) Mountains
D