听力原文:Hello, Frank, this is Jane speaking. Do you remember Lucy's birthday? It is October the 16th, on Sunday. We are going to have a party for her and give her a great surprise. Would you like to plan with us for the great surprise? If you like, please contact with us. And then we are going to discuss some details about the party. OK, that's why I'm calling you. Call me when you're back. Why dose Jane want to give a surprise for Lucy?