The other half of row 56. The Pewter Gym guide's conversation is fifty-two boxes
long and a third of the presses that walk it are `NO`, whose B advances a plain
box exactly as `NEXT`'s A does. Every one of them cleared the pending `TALK`, so
the talked ledger never learned the conversation had happened, `TALK` stayed on
the overworld pad, and an A press at him reopened the whole ring: thirty brain
minutes of scene `dialog` with no walk macro dealt.
12.4's rule -- "the fly said no, so the thing is still on offer" -- is about a
declined *offer*, and which of the two a `NO` was is decided where it can be
seen: by whether the box closes on it. So the decision moves to the frame the
text goes away, which is where the talked entry is written anyway, and the
reading is `pending_answer`: armed only by an answer to a prompt this crate can
read, alive for one hold. A declining `NO` still standing there is a `NO` the
box closed on; anything else is a conversation walked through to its end.
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