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: 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 seismograph is used for measuring the size of an earthquake, Fact2: When earthquakes occur near cities of any size, the potential for damage is great., Question: A seismograph is used to measure the what of damage done by an occurrence? (A) hail (B) color (C) shape (D) stoma (E) size (F) death (G) attraction (H) homes
E

Fact1: the color of leaves on deciduous trees usually changes in the autumn season, Fact2: Mulberry trees are deciduous., Question: What do mulberry trees do in the autumn? (A) Change colors (B) Fall over (C) Fruit (D) bloom time (E) reproduce (F) Stay green (G) spread flower seeds (H) staying warm
A