Given a question, generate a paraphrase of that question wihout changing the meaning of it. Your answer should reword the given sentence, but not add information to it or remove information from it. The answer to your question should be the same as the answer to the original question.

Question: when was piero di vinci born?
what was the date of ser piero da vinci's birth?

Question: what is the language in philippines?
what is the national language of the philippines?

Question: which country shares borders with the democratic republic of the congo republic of the congo and cameroon?

which country borders the democratic republic of the congo?