Logic Reasoning

　A fourth-grade teacher was giving her pupils a lesson on logic.

　　Here is the situation, she said. a man is standing up in a boat in the middle of a river, fishing. He loses his balance, falls in, and begins splashing and yellin
g for help.

His wife hears the commotion, knows that he can't swim, and runs down to the bank. Why do you think she ran to the bank?

　　A girl raised her hand and asked, to draw out all of his savings?

　　[注]bank在英语中除了我们平时很熟悉的银行之外，还有河岸的意思。