You will be given a definition of a task first, then some input of the task.
Given a sentence in Vietnamese, generate a new Vietnamese 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.

Nếu bạn muốn học về một đề tài thì bạn nên đọc sách.
Output:
Nếu bạn muốn học về một biểu tượng sau đó bạn nên đọc sách.