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: coal is used for generating heat by burning, Fact2: Coal and lignite are the lithified remains of plants., Question: What are the lithified remains of plants used for? (A) heat production (B) generating heat by burning (C) harvesting crops (D) damming rivers (E) food and shelter (F) heat is produced (G) A transportation fuel (H) planting seeds

Output: B


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: using a gasoline engine requires burning gasoline, Fact2: When they are burned, fossil fuels are consumed., Question: Using a gasoline engine requires doing what to gasoline? (A) Dehydration (B) Cooking (C) Smoking (D) energy usage (E) vaporization (F) consuming (G) adding heat (H) evaporation


Output: F