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: Mammals can also generate little bursts of heat by shivering., Fact2: Polar bears are mammals., Question: What can generate little bursts of heat by shivering? (A) alpacas (B) bacteria (C) animals (D) polar bears (E) phytoplankton (F) rabbit (G) viruses (H) humans
[A]: D


[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
[A]: G


[Q]: Fact1: being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time, Fact2: Often, the soil consists of mats of very acidic, semi-decayed vegetation, such as peat., Question: Decayed vegetation turns to what over a period of time? (A) growth (B) death (C) peat (D) vines (E) water (F) coal (G) flora (H) potash
[A]:
C