Multi-select problem: How does the next paragraph end?

How to end a conversation without being rude
End with a positive comment.
A great way to end a conversation is to wrap things up with a positive comment. You can thank the speaker for his or her time, dropping the hint that you now need to exit the conversation.

Available choices: [i] Bringing it back to square one can work in any conversation. If someone asks you why you want to end the conversation, try to come right out and say what you actually want to say.; [ii] When things seems to be going on a bit too long, wait for the speaker to finish his or her sentence. Then, smile and say something like, " i'm so glad that we had the time to talk " or " thanks very much for you time.; [iii] However, you should not end with " you're weird! " Try to stay positive when you give a productive goodbye. For example, if you made a joke or made a poor recommendation about a date you should stay positive.; [iv] If an opportunity arises, you might say, " thanks for opening the conversation for me. My interview is over, and i need to go now.;
[ii]