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: Migrants typically travel long distances., Fact2: Migrant birds arrive., Question: What travels long distances? (A) humans (B) jets (C) rocks (D) birds (E) camels (F) cocoons (G) Light (H) eggs
[A]: D


[Q]: Fact1: Fish have a centralized nervous system with a brain., Fact2: Fish include bass and salmon., Question: what have a centralized nervous system with a brain? (A) sharks (B) mammals (C) salmon (D) h2o (E) plants (F) humans (G) protist (H) tortoises
[A]:
C