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").

[EX 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
[EX A]: A

[EX Q]: Fact1: Food consists of organic molecules that store energy in their chemical bonds., Fact2: If an molecule contains carbon, it is called organic., Question: What does food consist of? (A) mostly carbon (B) solid, liquid, gas (C) mostly arsenic (D) mostly hydrogen (E) Energy. (F) mostly nitrogen (G) glucose (H) Most plants
[EX A]: A

[EX Q]: Fact1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity, Fact2: An object is buoyant when it is less dense than the fluid around it., Question: What decreases when the density of an object increases? (A) support (B) heat (C) forces (D) air cools (E) heat energy (F) buoyancy (G) Pollution (H) dry and hot
[EX A]:
F