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: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Cancer cells are abnormal and divide without control or order., Question: what kind of cells are abnormal? (A) nuclear (B) kidney (C) cell wall (D) dangerous (E) white (F) parasites (G) negative (H) cancer
[EX A]: H

[EX Q]: Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy schemes capture water at high tide and release it at low tide., Question: What can be produced by capturing water at high tide? (A) more fish (B) clearer water (C) mussels (D) warm water (E) an image (F) electricity (G) a delta (H) watershred
[EX A]: F

[EX Q]: Fact1: high pressure systems cause clear weather, Fact2: Sailplanes fly in clear weather., Question: What do high pressure systems allow? (A) water conservation (B) Veins and arteries. (C) hydrogen and oxygen (D) Animal survival (E) to move people (F) heat energy (G) heating liquids (H) sailplanes to fly
[EX A]:
H