In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

[EX Q]: Sentence: Gases is less dense then either solids or liquids. Question: What is less dense then either solids or liquids?
[EX A]: gases

[EX Q]: Sentence: Natural selection evolutionary process has adapted protonephridia to different tasks in different environments. Question: What evolutionary process has adapted protonephridia to different tasks in different environments?
[EX A]: natural selection

[EX Q]: Sentence: Most of food's chemical energy ultimately comes from sunlight. Question: Most of food's chemical energy ultimately comes from what source?
[EX A]:
sunlight