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: hydropower requires damming a river, Fact2: Hoover Dam, the first dam on the Colorado River below Grand Canyon, was built between 1931 and 1935., Question: Which of these produces hydropower? (A) deuterostomes (B) Wind Turbines (C) power stations (D) Suez Canal (E) trout (F) Old Faithful Geyser (G) Hoover Dam (H) stations
[A]: G

[Q]: Fact1: All cells share some of the same structures and basic functions., Fact2: Inside the cell is a structure called the nucleus., Question: All nucleus share the same basic what (A) size (B) rays or beams (C) species (D) Joules (E) location (F) allow growth (G) functions (H) spectrum
[A]: G

[Q]: Fact1: Lancelet larvae are free-swimming., Fact2: Lancelets are small fishlike animals with tapered bodies., Question: how do small fishlike animals with tapered bodies get around? (A) free-swimming (B) moving over land (C) heated by the sun (D) transportation (E) flying (F) gills (G) walking (H) melanin content
[A]:
A