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: Most mollusks have shells., Fact2: All mollusks have soft bodies., Question: What can shells protect? (A) fronts (B) animals (C) soft bodies (D) coastlines (E) fur (F) blood (G) critical organs (H) hard bodies
[A]: C


[Q]: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
[A]: F


[Q]: Fact1: Flagella help prokaryotes move., Fact2: Flagella are elongated cilia which moves like a whip or a tail., Question: What help prokaryotes to move? (A) organisms (B) tentacles (C) glucose (D) feet (E) Energy. (F) Energy (G) Mitosis (H) cilia
[A]:
H