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 Input:
Sentence: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being reduced. Question: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being what?

Ex Output:
reduced


Ex Input:
Sentence: Carbonic acid can dissociate into hydrogen carbonate ions and protons. Question: Carbonic acid can dissociate into hydrogen carbonate ions and what?

Ex Output:
protons


Ex Input:
Sentence: Natural selection is the process that allows organisms with better traits to survive and produce. Question: What is the process that allows organisms with better traits to survive and produce?

Ex Output:

natural selection