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").

[Q]: 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
[A]: B


[Q]: Fact1: a greenhouse is used to protect plants by keeping them warm, Fact2: With lots of rain and a warm climate, plants grow well., Question: What does a greenhouse help plants do? (A) Park cars (B) Start panicking (C) reproduce (D) growth (E) Bloom slower (F) adding heat (G) Regrows it (H) Grow well
[A]: H


[Q]: Fact1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel., Fact2: Cabins have wood burning stoves and propane furnaces., Question: What gas is produced by burning propane? (A) Greenhouse gases (B) Sulfur dioxide (C) gasoline (D) Carbon monoxide (E) hydrocarbons (F) carbon dioxide (G) dangerous (H) heating liquids
[A]:
D