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: Electrostatic repulsions normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy. Question: What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?
[EX A]: electrostatic repulsions

[EX Q]: Sentence: In the nuclear fusion process, two light nuclei combine to produce a heavier nucleus and great energy. Question: In which process do two light nuclei combine to produce a heavier nucleus and great energy?
[EX A]: nuclear fusion

[EX Q]: Sentence: Compounds like sodium chloride form structures called crystals. Question: Compounds like sodium chloride form structures called what?
[EX A]:
crystals