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.

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?
reduced

Sentence: Fm radio frequency should you listen to if you want less noise. Question: Which radio frequency should you listen to if you want less noise?
fm

Sentence: Coal can be mined from earth and used as an energy source. Question: Which of these can be mined from Earth and used as an energy source?

Coal