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: Flagella help prokaryotes move., Fact2: Most prokaryotes are unicellular., Question: What helps unicellular organisms move? (A) evaporation (B) bacteria (C) heat energy (D) glucose (E) sweating (F) flagella (G) legs (H) blood
[A]: F


[Q]: Fact1: Roundworms may be free-living or parasitic., Fact2: Roundworms make up the roundworm phylum, Nematoda., Question: What can the phylum Nematoda be? (A) dangerous (B) parasitic (C) horses (D) meiosis (E) more abundant (F) graptolites (G) homogenous (H) phytoplankton
[A]: B


[Q]: Fact1: Temperature falls from the equator to the poles., Fact2: Temperature is a measure of the amount of heat., Question: What falls decreasingly on the earth from the equator to the poles? (A) autumn (B) heat (C) chill (D) Vapor (E) Energy (F) cold (G) summer (H) Mass
[A]:
B