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").

Input: Consider Input: Fact1: satellites are used to take images from space, Fact2: Satellite images are digital photographs., Question: Satellites are used to take what from space? (A) rapid changes occur (B) snow, ice, and rock (C) trees and flowers (D) painters (E) occurs over a wide range (F) digital photographs (G) digital files (H) photographers

Output: F


Input: Consider Input: Fact1: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production

Output: H


Input: Consider Input: Fact1: eyes are used for seeing by animals by sensing light, Fact2: Lastly Fire, or light, is perceived through the sense of vision., Question: eyes are used for seeing by animals by sense of what? (A) energy (B) touch (C) photons (D) vision (E) smell (F) power (G) the sun (H) sound


Output: D