다음 중 의도하는 바가 다른 하나는 몇번인가요?

1) Please open the door.
2) Open the door, will you?
3) Could you open the door?
4) Do you want me to open the door?
5) Would you mind opening the door for me?

정확하게 알려주시면 고맙겠습니다...