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