Given a sentence, generate a new sentence by performing small changes on the sentence. Here, make sure that the changes are semantically related and syntactically similar to the input. And the generated sentence should have high commonsense plausibility, that is to have reasonable probability of it being true.

[Q]: Space travel lets us attract other philosophers .
[A]: Z email lets us thank other experts .


[Q]: The effect of opening a marketplace is investing money in a business .
[A]: The effect of opening a business is investing money in a business.


[Q]: You are likely to find a bridge in cities with rivers.
[A]:
You are likely to find a room in cities with rivers .