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: a flashlight requires a source of electricity to produce light, Fact2: Lanterns and flashlights are sources of light used for camping., Question: What does a lantern use a source of electricity for? (A) heat energy (B) staying warm (C) enclose light (D) produce light (E) absorb heat (F) reflect light (G) to move people (H) protect them
[EX A]: D

[EX Q]: Fact1: Sperm had to swim from male to female reproductive organs for fertilization., Fact2: Development of multicellular organisms is usually initiated by fertilization of an egg by a sperm., Question: Where does organism development start? (A) loose soil (B) housing (C) oceans (D) swamp vegetation (E) Plants growth (F) food (G) female organs (H) dry conditions
[EX A]: G

[EX Q]: Fact1: All plants have a characteristic life cycle that includes alternation of generations., Fact2: Bamboos are among the most useful of all plants., Question: What has a characteristic life cycle that includes alternation of generations? (A) flowers (B) burrs (C) Conifers (D) bamboo (E) apples (F) Trees (G) amoeba (H) Oak
[EX A]:
D