You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to convince people to go skinny dipping [title] Remember that before you go in the water naked, you have to be confident. [title] Invite some close friends over for dinner and socializing. [title] " forget " to tell one or two of the guys that you all planned on going swimming. <sep> (A) [title] If you do not plan to go swimming completely naked, this is not necessary. [title] If you are already wearing a bikini (i.e. (B) [title] Have your checklist going before you go to the pool. [title] Bring along clothing that you and your friends might like, and make sure it doesn't get wet. (C) [title] When they act embarrassed or apologetic and say they can't go, just tell them that you don't want to leave them out. [title] " think " hard for a minute. (D) [step] Your friend might not stand a chance going topless, so actually tone down your own interest. [title] Now that you've established the waters, dump all the water down.
Output:
C