Read the following conversation and answer the question.

W: Oh, John, I didn't tell you. My sister phoned yesterday. She wants to get married.

M: Married? She is only seventeen!

W: That's the reason she told me why she wants to get married.

Question: What does John think of the woman's sister? 

- She is not old enough to get married.

- She is too old to get married.

- She is older than expected.


She is not old enough to get married.