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: 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
[A]: H


[Q]: Fact1: plant requires seed dispersal for reproduction, Fact2: Reproductive investment was measured as seed mass, samara size, and dispersal ability., Question: What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels
[A]: A


[Q]: Fact1: looking at bright objects has a negative impact on the eyes, Fact2: Eye and dental disorders sometimes cause headaches., Question: what can cause headaches (A) cloudy and rainy weather (B) hyperthyroidism (C) prolactin release (D) Damaged hearing (E) The bending of a ray of light (F) Leptospirosis (G) Warm air moving into cold air (H) looking at bright objects
[A]:
H