Single Card Focus（习题4）
- 问题
- 题解
- Bob has a 5 and a 2 clued in his hand.
- Alice clues red to Bob, touching three cards.
- Which slot is focused?
- Slot 3, because there are two new cards and slot 3 is the chop.
- (Slot 5 was previously touched, so the red clue "fills it in".)