Is it?

Is it?

(a) Yes.
(b) No.
(c) It has to be one or the other.
(d) No it doesn't.
(e) Are you?

Are you?

(a) Yes.
(b) No.
(c) Mad?
(d) Liz.
(e) both.
(f) neither.
(g) how binary.

How binary?

(a) This is not a question – or is it (turn back a page). And so – the regress is formed – keep going until mad or Liz.

[Very self-referential]