1. squash balls
2. threadmill
3. squashcourt
4. athletics
4.1. implements
4.1.1. sneakers
4.1.2. tank
4.1.3. shorts
4.2. place
4.2.1. race track
4.2.2. runing track
5. squash
5.1. implements
5.1.1. racket
5.1.2. loose clothes
5.1.3. tennis
5.2. places
6. work-out
6.1. implements
6.1.1. machines
6.1.2. weight machines
6.2. places
6.2.1. workout room
7. scuba diving
7.1. implements
7.1.1. goggles
7.1.2. fins
7.1.3. oxygen tank
7.2. places
7.2.1. sea
8. skydiving
8.1. places
8.1.1. sky
8.2. implements
8.2.1. helmet
8.2.2. glasses
8.2.3. parachute
9. golf
9.1. implements
9.1.1. golf clubs
9.1.2. balls
9.1.3. hole
9.2. places
9.2.1. golf course
10. implements
10.1. bait
10.2. hook
10.3. fishing rod
11. soccer
11.1. implements
11.1.1. soccer shoes
11.1.2. shoes
11.1.3. shin pads
11.2. place
11.2.1. soccer pitch
12. billiards-snooker
12.1. implements
12.1.1. cues
12.1.2. balls
12.1.3. snooker table
12.1.4. chalk
12.2. place
12.2.1. billiards hall
13. skating
13.1. impllements
13.1.1. skates
13.1.2. loose clothes
13.2. place
13.2.1. skate rink
14. kite flying
14.1. implements
14.1.1. kite
14.2. place
14.2.1. free spaces
15. bowling
15.1. implements
15.1.1. bowling ball
15.1.2. bowling shoes
15.2. places
15.2.1. bowling hall
16. cycling
16.1. implements
16.1.1. helmet
16.1.2. lycras
16.1.3. bike
16.2. place
16.2.1. anywhere
17. fishing
17.1. places
17.1.1. wrestling
17.1.1.1. implements
17.1.1.1.1. lycra clothes
17.1.1.1.2. mask
17.1.1.2. places
17.1.1.2.1. ring
17.1.2. sea-river
18. skateboarding
18.1. implements
18.1.1. wrist pads
18.1.2. knee pads
18.1.3. skate
18.2. places
18.2.1. anywhere
19. swimming
19.1. implements
19.1.1. nose clips
19.1.2. ear tops
19.1.3. bathing cap
19.1.4. shorts
19.2. places
19.2.1. swimming pool