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