As for the second button that says "that wasn't the end of sentence", I'm thinking of situations where you happen to block at a very inconvenient timing. An example is when Jimmy in South Park has to say "Stan says you're a continuing source of inspiration." but end up saying "Stan says you're a cont.....". A real life example is Andrew Garfield being interviewed by Amelia Dimoldenberg where he says "I only ever want to see you...."