• -What colour is that?
    -I don’t know.
    -You should.
    -Really?
    -Yeah.
    -Oh.

    -Is it orange?
    -I don’t know.
    -You should.
    -Well, I don’t.
    -Oh.
    -Yeah.

    -OK then.
    -Umm…
    -What?
    -What?
    -No, what were you saying ‘Umm…’ at?
    -I was saying ‘Umm…’ at my forgetfulness.
    -Why?
    -Because I forgot what we were saying at the start.
    -Oh.
    -Yeah.