id category
1 useful for camping
2 soft
3 opaque and closed
4 essential for privacy
5 helpful in making comparisons
6 analog or digital
7 hot
8 one kind of stringed instrument
9 open or closed
10 horizontal
11 fun to ride
12 reflective
13 alive
14 bright
15 hollow
16 round
17 useful for unblocking a toilet
18 shaped like a shell
19 convex down
20 other