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").

Input: Consider Input: Fact1: if all members of a species cannot produce offspring then that species will likely become extinct, Fact2: Avian species are less likely to become extinct if they are common across large ranges., Question: Avian species are less likely to end up extinct if they what? (A) single-celled organisms (B) important habitats (C) abandon habitats (D) stop reproducing (E) animals with backbones (F) produce offspring (G) population movement (H) destroy offspring

Output: F


Input: Consider Input: Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Oxides Oxides Oxides are elements combined with oxygen., Question: Chemical weathering causes iron in rock to combine with what? (A) uranium (B) oxygen (C) cartilage (D) nothing (E) an object (F) vacuum (G) energy (H) heat

Output: B


Input: Consider Input: Fact1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow., Fact2: For instance, the normal pH of human blood is maintained at 7.4., Question: What may become unbalanced if the rate of breathing is too fast or too slow? (A) normal eating (B) normal human blood (C) cigarettes (D) normal skin (E) Veins and arteries. (F) Chemical energy (G) kinetic energy (H) normal studying


Output: B