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: Organisms cluster around hydrothermal vents in the ocean floor., Fact2: Background Hot water vents form inside cracks in the ocean floor., Question: Organisms cluster around hot water inside cracks where? (A) loose soil (B) ocean floor (C) food and shelter (D) tectonic plates (E) the ground (F) allow growth (G) Absorb light (H) survive
B

Fact1: melting is when solids are heated above their melting point, Fact2: Ice cubes melt in liquid water., Question: What, when heated, turns into liquid water? (A) gasoline (B) oil (C) a solute (D) fire (E) ice cubes (F) a prism (G) mussels (H) Energy.
E

Fact1: a firecracker converts chemical energy into sound, Fact2: Fireworks are illegal, including firecrackers., Question: What do fireworks convert chemical energy into? (A) fire (B) heat (C) energy (D) Light (E) solids (F) bacteria (G) cold (H) sound

H