读短文，判断下列句子是否符合短文的意思。

My name is Sally. My mother is a nurse. She is very busy these days. Her birth-day is coming. It is on May 12th. I hope she will be free on her birthday. My father and I are going to have a surprise birthday party for her. I will invite my grandparent to the party. As usual, they will give her some lucky money. I will buy her a big birthday cake and my father is going to cook a big dinner at home.