16. Which of these sports are indoor, outdoor, winter, summer, water sports? Figure skating, draughts, windsurfing, table tennis, skiing, yachting, cycling, rugby. boxing, rock climbing, cricket, water polo, hockey, synchronous swimming, basketball, chess, water skiing, curling, roller skating, rowing, gymnastics, motor races, volleyball, diving, baseball, karate, skydiving, billiards, field hockey, rafting, judo, wrestling.

Here's the classification of the sports according to the categories:

• Indoor: Figure skating, draughts, table tennis, boxing, basketball, chess, curling, roller skating, gymnastics, billiards, judo, wrestling.
• Outdoor: Windsurfing, skiing, yachting, cycling, rugby, rock climbing, cricket, water polo, hockey, motor races, volleyball, diving, baseball, karate, skydiving, field hockey, rafting.
• Winter: Figure skating, skiing, water skiing, curling, ice hockey.
• Summer: Windsurfing, yachting, cycling, rugby, cricket, water polo, synchronous swimming, rowing, diving, baseball, karate, skydiving, rafting, judo, wrestling.
• Water sports: Windsurfing, yachting, water polo, synchronous swimming, water skiing, rowing, diving, rafting.