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: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
[EX A]: D

[EX 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
[EX A]: F

[EX Q]: Fact1: Mollusks reproduce sexually., Fact2: Mollusks are the second-largest invertebrate group., Question: the second-largest invertebrate group reproduce how (A) orchids (B) insects (C) with flowers (D) with spores (E) sexually (F) with seeds (G) four limbs (H) ferns
[EX A]:
E