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: Infancy is the period of most rapid growth after birth., Fact2: Development means to get better, growth means to get bigger., Question: What is the period of most rapidly getting bigger after birth? (A) 86400 (B) infancy (C) adult (D) a hosta (E) pregnancy (F) adulthood (G) eight (H) angiosperm

Ex Output:
B


Ex Input:
Fact1: a greenhouse is used to protect plants from the cold, Fact2: Plants are very easily raised from seed, sown in a cold greenhouse from February to April., Question: What does a greenhouse protect plants from to help them grow easily? (A) death (B) hotness (C) Winter (D) fronts (E) heat (F) drought (G) rain (H) chill

Ex Output:
H


Ex Input:
Fact1: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Incandescent bulbs produce more heat than light., Question: What do incandescent bulbs produce as they create electricity? (A) energy (B) heat (C) fuel (D) smoke (E) gas (F) fields (G) copper (H) waves

Ex Output:

B