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.

[Q]: Sentence: Natural selection works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities. Question: What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities?
[A]: natural selection


[Q]: Sentence: Chlorine is a nonmetal and gains one electron in becoming a anion. Question: Chlorine is a nonmetal and gains one electron in becoming a what?
[A]: anion


[Q]: Sentence: Sedimentation is the term for when clumped solids sink to the bottom of the water. Question: What is the term for when clumped solids sink to the bottom of the water?
[A]:
sedimentation