Is there any grass that is not green?
No, there is grass but it is green.
    src        edge_attr  dst
0     0  to the right of   12
1     1  to the right of   12
2     2  to the right of   10
3     2   to the left of    9
4     2  to the right of   12
5     2   to the left of    6
6     3  to the right of   12
7     4               on   11
8     4          wearing    0
9     4          wearing    7
10    4  to the right of   12
11    4          wearing    3
12    6          wearing    9
13    6  to the right of    2
14    6  to the right of   13
15    6  to the right of   10
16    7  to the right of   12
17    8  to the right of   12
18    9  to the right of    2
19    9  to the right of   13
20    9  to the right of   10
21   10   to the left of    2
22   10   to the left of    9
23   10   to the left of    6
24   10  to the right of   12
25   10   to the left of   13
26   11  to the right of   12
27   12   to the left of    7
28   12   to the left of    8
29   12   to the left of    3
30   12   to the left of    1
31   12   to the left of   10
32   12   to the left of   11
33   12   to the left of    4
34   12   to the left of   13
35   12   to the left of    0
36   12   to the left of    2
37   13  to the right of   10
38   13   to the left of    9
39   13  to the right of   12
40   13   to the left of    6