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: 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 A]: reduced

[EX Q]: Sentence: Volcanic gases helpe to form the atmosphere on earth. Question: What did volcanic gases help to form on earth?
[EX A]: atmosphere

[EX Q]: Sentence: Exons are cut out before mrna leaves the nucleus. Question: Exons are cut out before what leaves the nucleus?
[EX A]:
mrna