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: Plate movements causes continents to drift closer to the poles or the equator. Question: What causes continents to drift closer to the poles or the equator?
[A]: plate movements


[Q]: Sentence: Developing cars that run on hydrogen gas can help solve our dependence on nonrenewable fossil fuels. Question: Developing cars that run on hydrogen gas can help solve our dependence on what?
[A]:
nonrenewable fossil fuels