1. 玉突き　   baseball   swimming   billiards   boxing   Hint Half-n-half Clue   2. 拳闘　   boxing   water polo   wrestling   billiards   Half-n-half Clue   3. 水球,   baseball   water polo   swimming   ping-pong, table tennis   Half-n-half Clue   4. 格闘　   billiards   gymnastics   swimming   wrestling   Half-n-half Clue   5. 水泳　   water polo   swimming   baseball   ping-pong, table tennis   Half-n-half Clue   6. 野球　   gymnastics   horse-riding   baseball   wrestling   Half-n-half Clue   7. 卓球　   billiards   ping-pong, table tennis   wrestling   swimming   Half-n-half Clue