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 Input:
Fact1: Butter is a fat that is a solid at room temperature., Fact2: Room temperatures between 40 and 80 Fahrenheit, or 5 and 27 Celsius, are best for storage., Question: When is butter a solid? (A) rapid changes occur (B) protect eyes in the lab (C) around 5 to 27 degrees Celsius (D) one effect of diabetes (E) protein foreign to the body. (F) natural atmosphere component (G) reduce acidity of food (H) speed at which sound moves

Ex Output:
C


Ex Input:
Fact1: Mating is generally preceded by courtship., Fact2: For example, a black rooster and a white hen mate, and the resulting offspring are gray., Question: What can result in offspring? (A) seeds (B) competition (C) courtship (D) travel (E) resistance (F) solitude (G) litter (H) reading

Ex Output:
C


Ex Input:
Fact1: crumple means change shape from smooth into compacted by physical force, Fact2: Cellophane or paper crumpled in ball sizes., Question: what can change shape from smooth into compacted by physical force? (A) A ruler (B) bushes (C) paper (D) streams (E) crust (F) dirt (G) cracks (H) rock

Ex Output:

C