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.

Input: Consider Input: 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?

Output: anion


Input: Consider Input: Sentence: Most protein antigens require signals from helper t cells (th2) to proceed to make antibody. Question: Most protein antigens require signals from helper t cells (th2) to proceed to make what?

Output: antibody


Input: Consider Input: Sentence: In a biological reaction, proteins act as catalysts. Question: What role do proteins play in a biological reaction?


Output: act as catalysts