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: 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
[A]: A


[Q]: Fact1: Marine species live mainly in shallow coastal waters., Fact2: Killer whales prefer shallow and colder coastal waters., Question: What are killer whales? (A) red and black (B) They have thick fur (C) dangerous (D) sharks (E) deep sea creatures (F) marine species (G) Absorb light (H) animals
[A]: F


[Q]: Fact1: temperature changing can cause phase changes, Fact2: Phase changes are due to potential energy changes., Question: Changes in what can cause potential energy changes? (A) voltage (B) color (C) heating liquids (D) intelligence (E) Heart rate (F) drafts (G) temperature (H) climate
[A]:
G