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