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