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: Organisms use lipids to store energy., Fact2: Triglycerides are a storage form of energy., Question: In what form do organisms use lipids? (A) Triglycerides (B) glucose (C) layers of fat (D) adding heat (E) reducing acid rain (F) hydrocarbons (G) recycling (H) By wind and rain

Output: A


Input: Consider Input: Fact1: if a living thing becomes too cold then that living thing will die, Fact2: Plants are also the oldest living things., Question: what dies if it becomes too cold? (A) plants (B) starfish (C) trout (D) planets (E) trees (F) ice (G) bears (H) clouds

Output: A


Input: Consider Input: Fact1: Cells cannot survive without oxygen., Fact2: Air contains oxygen., Question: What helps cells survive? (A) DNA (B) Urea (C) coat (D) air (E) diet (F) RNA (G) heat (H) stem


Output: D