Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Q: How many er the strong force is due to the exchange of what?

A: The strong force is due to the exchange of what?
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Q: A forced trade agreement between two countries is not a power er instead an example of what?

A: A forced trade agreement between two countries is not an example of what?
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Q: When does an activated B cell no what does a um T cell identify pathogens?

A:
When does a T cell identify pathogens?
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