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: Protozoa can be classified on the basis of how they move., Fact2: Paramecium are protozoa, single celled animals., Question: What can be classified on the basis of how they move? (A) each species (B) aquatic organisms (C) reptiles ancestral to mammals (D) single celled organisms (E) microbes and mussels (F) trailers and boats (G) How fast a vehicle is going (H) melanin content
[EX A]: D

[EX Q]: Fact1: plant reproduction requires pollination, Fact2: Perennial types are planted outside in spring., Question: what reproduction requires pollination? (A) humans (B) They lay eggs (C) Tropical (D) bees (E) insects (F) subtropical (G) perennials (H) heterotrophs
[EX A]: G

[EX Q]: Fact1: fossil fuels are formed from dead organisms over time, Fact2: Like coal, petroleum is a fossil fuel., Question: Which of these is formed from dead organisms over time? (A) Soil (B) Granite (C) coral (D) Coal (E) potash (F) ferns (G) oil (H) Rust
[EX A]:
D