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 Q]: Fact1: webbed feet are used for moving faster through water by aquatic animals, Fact2: Animals move around, seeking their prey., Question: What do webbed feet help aquatic animals do? (A) rapid expansion (B) root growth (C) Catch prey (D) support (E) Regrows it (F) squeeze (G) Relieve pain (H) improve
[EX A]: C

[EX Q]: Fact1: a plant requires sunlight for photosynthesis, Fact2: Photosynthesis is the process of making food., Question: What do plants require to make food? (A) nutrients (B) sunlight (C) photons (D) Energy. (E) Light (F) Proteins (G) power (H) heat energy
[EX A]: B

[EX Q]: Fact1: coal is used to produce electricity by burning in coal-fire power stations, Fact2: Like coal, petroleum is a fossil fuel., Question: What are used to produce energy by burning? (A) fossil fuels (B) cigarettes (C) organic molecules (D) Firecrackers (E) carbon dioxide (F) atoms (G) dust (H) batteries
[EX A]:
A