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.

Input: Consider Input: You are likely to find a pin in a tree .

Output: You are likely to find a grape in a tree.


Input: Consider Input: You are glad to HAVE an apple tree in my backyard .

Output: You are difficult to turn an apple tree in my backyard .


Input: Consider Input: Viruses can attack our immune system.


Output: Viruses can flood our immune system .