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We're going to prove that logic puzzles = Perla next.
Clue 8: logic puzzles cannot be Clayton because the first part of the clue implies that Clayton and logic puzzles are different people.
Clue 1: logic puzzles cannot be Madison because she either has to be sudoku, or she is Wednesday, and Wednesday cannot be logic puzzles (clue 8).
Clue 9: logic puzzles cannot be Quinton
Clue 8: logic puzzles cannot be Saniya (anymore) because Saniya is now Monday and logic puzzles has to be either Tuesday or Friday.
So logic puzzles can only be Perla.
Once all the implications (red Xs that result from green circles) are filled in the CB category box (intersection of First Name and Detergent), you will see that Perla can only be Bold.
You will also see that Perla can only be Tuesday at this point because that's the only intersection left for Perla, weekday, and puzzles. Perla has to be Tuesday or Thursday (clues 5 and 12), and logic puzzles has to be Tuesday or Friday (clue 8).
That's how we get Tuesday = Perla = Bold = logic puzzles.
Then the only day left open for Clayton is Friday.