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: Lions live in social groups called prides., Fact2: Lions live in Africa., Question: where are there social groups called prides? (A) under the sea (B) outer space (C) complex (D) protected (E) arctic (F) fur seals (G) Summer (H) africa
[A]: H


[Q]: Fact1: Adult worms go through a major transformation to develop reproductive organs., Fact2: An enlarged cummerbund-like band near the worm's head holds the reproductive organs., Question: What grows a cumberbund-like band around itself in adulthood? (A) legumes (B) Bats (C) mammals (D) bamboo (E) swea (F) worms (G) fungi (H) bushes
[A]: F


[Q]: Fact1: burning fossil fuels increases the carbon in the atmosphere, Fact2: An increase in carbon dioxide, therefore, can cause an increase in the temperature of the lower atmosphere., Question: What can can cause an increase in the temperature of the lower atmosphere? (A) solar flares (B) burning fossil fuels (C) gas expanding (D) Dehydration (E) Warm air moving into cold air (F) radio waves (G) Greenhouse gasses (H) Greenhouse gases
[A]:
B