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").
One example is below.
Q: Fact1: a plant requires sunlight to grow, Fact2: Plants to avoid are fast-growing vines that can take over an area in no time., Question: What requires sunlight in order to take over an area? (A) spores (B) fish (C) plants (D) humans (E) pods (F) Oak (G) opossums (H) coral
A: C
Rationale: This is a good example. Based on the facts plants require sunlight in order to take over an area.
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