What's lying on the ground?
The frisbee is lying on the ground.
    src        edge_attr  dst
0     0  to the right of   11
1     3  to the right of   16
2     3  to the right of   12
3     3           behind   16
4     4   to the left of   18
5     5         lying on    1
6     5   to the left of   18
7     6   to the left of   18
8     7  to the right of   18
9     7  to the right of   19
10    9   to the left of   17
11    9   to the left of   15
12   10   to the left of   19
13   10   to the left of   18
14   11   to the left of    0
15   11          holding    6
16   11   to the left of   13
17   11   to the left of   19
18   11   to the left of   18
19   12   to the left of    3
20   12  to the right of   16
21   13  to the right of   11
22   14   to the left of   16
23   15     hanging from   17
24   15  to the right of    9
25   15  to the right of   17
26   16      in front of    3
27   16   to the left of    3
28   16  to the right of   14
29   16           behind   18
30   16   to the left of   12
31   17   to the left of   15
32   17  to the right of    9
33   18          wearing    0
34   18      in front of   16
35   18  to the right of   10
36   18   to the left of    7
37   18  to the right of    4
38   18  to the right of   11
39   18  to the right of    6
40   18  to the right of    5
41   19  to the right of   11
42   19  to the right of   10
43   19   to the left of    7