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: Beta decay occurs when an unstable nucleus emits a beta particle and energy. Question: What occurs when an unstable nucleus emits a beta particle and energy?
[A]: beta decay


[Q]: Sentence: About half of solar type of radiation is absorbed in the first 15 meters of water. Question: About half of what type of radiation is absorbed in the first 15 meters of water?
[A]: solar


[Q]: Sentence: An ether is an organic compound in which two hydrocarbon groups are bonded to the same  oxygen atom. Question: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?
[A]:
oxygen