Q: Alice, Bob, and Claire are playing a game. At the start of the game, they are each holding a ball: Alice has a black ball, Bob has a brown ball, and Claire has a blue ball. As the game progresses, pairs of players trade balls. First, Bob and Claire swap balls. Then, Alice and Bob swap balls. Finally, Claire and Bob swap balls. At the end of the game, Alice has the ?
A: Alice started with a black ball. Bob started with a brown ball. Claire started with a blue ball. During the first swap, Bob and Claire swap balls. After the first swap, Bob has a blue ball and Claire has a brown ball. During the second swap, Alice and Bob swap balls. After the second swap, Alice has a blue ball and Bob has a black ball. During the third swap, Claire and Bob swap balls. After the third swap, Claire has a black ball and Bob has a brown ball. So Alice has the blue ball. The answer is "blue ball".

Q: Alice, Bob, and Claire are holding a white elephant gift exchange. At the start of the event, they are each holding a present of a different color: Alice has a yellow present, Bob has a green present, and Claire has a purple present. As the event progresses, pairs of people swap gifts. First, Bob and Alice swap their gifts. Then, Claire and Alice swap their gifts. Finally, Alice and Bob swap their gifts. At the end of the event, Alice has the ?
A: Alice started with a yellow present. Bob started with a green present. Claire started with a purple present. During the first swap, Bob and Alice swap gifts. After the first swap, Bob has a yellow present and Alice has a green present. During the second swap, Claire and Alice swap gifts. After the second swap, Claire has a green present and Alice has a purple present. During the third swap, Alice and Bob swap gifts. After the third swap, Alice has a yellow present and Bob has a purple present. So Alice has the yellow present. The answer is "yellow present".
