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.

Example Input: To open a locked door you usually need to have a buddy .
Example Output: To open a locked door you usually need to have a key.

Example Input: I am firing on a computer keyboard .
Example Output: I am bang on a computer keyboard .

Example Input: You are likely to find a small dog in an apartment.
Example Output:
You are likely to find a cute dog in an apartment .