根据短文内容，回答下列问题。

    It's June 6. It's Jenny's birthday. She comes home and sees a card on the table. It says, "There is a present for you, Jenny. Go and look for it in your bedroom (卧室)." Jenny runs to her bedroom. She sees a red box on her bed. She opens it. There is another (又一) card in it. Jenny takes it out and reads, "Dear Jenny, I'm your present. My first letter is in 'some', but not in 'come'. My second letter is in 'have', but not in 'save'. My third letter is in 'live', but not in 'love'. My fourth letter is in 'for', but not in 'of '. My fifth letter is in 'take', but not in 'cake'. What am I?"

    Jenny thinks and then she says, "Aha, I know! But where is it?" Jenny finds (找到) it behind the door.