Right. You would have another tag somewhere. It 's  well , there 're two ways of doing it.
S so it would just be floating before the sentence or floating after the sentence without a time - mark.
You could have some sort of link type  type equals " sentence " , and ID is " S - whatever ". And then lower down you could have an utterance. So the type is " utterance "  equals " utt ". And you could either say that  No. I don't know
So here 's the thing.