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: a flashlight requires a source of electricity to produce light, Fact2: Lanterns and flashlights are sources of light used for camping., Question: What does a lantern use a source of electricity for? (A) heat energy (B) staying warm (C) enclose light (D) produce light (E) absorb heat (F) reflect light (G) to move people (H) protect them
[EX A]: D

[EX Q]: 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
[EX A]: F

[EX Q]: Fact1: Aging is associated with the death of cells., Fact2: When telomeres become too short, the cell dies., Question: What is associated with aging? (A) Extra cells (B) intelligence (C) forest is destroyed (D) Chemical energy (E) Strong cells (F) oxidation reaction (G) Short telomeres (H) massive damage
[EX A]:
G