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.

Cái bát đã được sắp xếp để làm sạch thân thể.
Ngọc ấn được dùng để làm lễ tẩy uế chiếc nhẫn.