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