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").

Fact1: Zooplankton are tiny animals that feed on phytoplankton., Fact2: Many zooplankton are crustaceans., Question: What can feed on phytoplankton? (A) producers (B) phytoplankton (C) passenger pigeons (D) bacteria (E) tiny crustaceans (F) the Sun (G) honeybees (H) parasites
E

Fact1: Hormones are chemical messengers that control many body functions., Fact2: Growth hormone is in many ways an anti-aging hormone., Question: What controls anti-aging? (A) A computer (B) air (C) chemical messengers (D) ice (E) an electric stove (F) Electrical energy (G) water (H) Chemical energy
C

Fact1: Animals adapt to cold temperatures., Fact2: All cats are animals., Question: what adapts to cold temperatures? (A) bears (B) heat (C) sheep (D) cats (E) koalas (F) density (G) Birds (H) gravity

D