Alice clues number 4 to Bob, which touches one card on slot 1. (This is a Play Clue.)
Bob writes a card note with the identity of the card.
What card note does Bob write? (Be specific.)
Is this a Delayed Play Clue?
What action should Bob perform?
Bob writes a card note of "red 4, yellow 4, blue 4, purple 4".
First, it could be a direct Play Clue on a red 4 or a purple 4.
Second, it could be a Delayed Play Clue on a yellow 4 through Cathy's yellow 2 and yellow 3.
Third, it could be a Delayed Play Clue on a blue 4 through Donald's blue 3.
Bob does not know whether this is a Play Clue or a Delayed Play Clue. However, since Bob has to treat all Play Clues as potential Delayed Play Clues, Bob cannot play the 4 on this turn.
Since Bob cannot play the 4 yet, he should give an unrelated clue or discard.