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").

Fact1: oil is formed by layers of sediment pushing down on decomposing algae, Fact2: When the algae dies it is decomposed by bacteria., Question: Oil is formed by layers of sediment pushing down on what? (A) bacteria (B) nutrients (C) amoebae (D) tunicates (E) oysters (F) coral reefs (G) mussels (H) Bodily water
A

Fact1: the Himalayas were formed by rock folding, Fact2: Movements in the earth's crust have folded and cracked the older rocks., Question: the Himalayas were formed from older what (A) soils (B) plates (C) rivers (D) rock (E) eras (F) meadows (G) dirt (H) plains
D

Fact1: Most reptiles have good eyesight and a keen sense of smell., Fact2: Reptiles include crocodiles., Question: What has good eyesight and a keen sense of smell? (A) bats (B) crocodiles (C) viruses (D) mammals (E) animals (F) bacteria (G) rabbit (H) fur seals
B