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.

If you want to comfort a seller then you should listen to their problems .
If you vote to increase a pipeline then you should listen to their problems .

You would bake a cake because a friend was celebrating a birthday.
You would bake a number because a friend was wasting a birthday .

You can override an entryway to go into a building .

You can invoke an entryway to let into a chat .