In the above example I would have given up after 2 tries.
You would have needed at least 1 or 2 matches in that round.
There is a smaller dan 25% chance that you are wrong and a small chance you can get the answer with 1 extra round.
As for more examples, when I have time and see one of those options I could make schreenshots from it.
Which I in general forget because I am to quick
, but I know I use this quite a bit, but I am not sure I would use it in an 8 variant, I should be in the position to see when I use it and when I don't.