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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals
[A]: F


[Q]: Fact1: lungs are used for breathing air by land animals, Fact2: Elephants are the largest animals on land., Question: What uses lungs for breathing air? (A) rocks (B) some mammals (C) Frogs (D) monotremes (E) humans (F) bacteria (G) elephants (H) oak trees
[A]: G


[Q]: Fact1: a glacier causes mechanical weathering, Fact2: Mechanical weathering produces detritus., Question: Which of the following can glaciers produce? (A) rivers (B) body water (C) heat energy (D) erosion (E) streams. (F) detritus (G) streams (H) loose soil
[A]:
F