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: Acids are molecular compounds that dissolve in water to produce hydronium ions and an anion else. Question: Acids are molecular compounds that dissolve in water to produce hydronium ions and what else?
[A]: an anion


[Q]: Sentence: Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments. Question: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments?
[A]: sphincter


[Q]: Sentence: The goal of proteomics is to identify or compare proteins expressed from a given genome under specific conditions, study the interactions between them, and use the information to predict cell behavior or develop drug targets. Question: The goal of proteomics is to identify or compare what substances expressed from a given genome under specific conditions, study the interactions between them, and use the information to predict cell behavior or develop drug targets?
[A]:
proteins