Is the field grassy?
Yes, the field is grassy.
    src        edge_attr  dst
0     0  to the right of   14
1     1   to the left of   16
2     1               in   17
3     1   to the left of    2
4     1  to the right of    4
5     1   to the left of   18
6     2       sitting in   17
7     2  to the right of    1
8     2  to the right of   18
9     2   to the left of   16
10    2   to the left of    5
11    2   to the left of    3
12    2   to the left of   19
13    2  to the right of    4
14    2               in   17
15    3  to the right of   16
16    3  to the right of   19
17    3  to the right of   18
18    3  to the right of    2
19    4   to the left of    2
20    4   to the left of    1
21    4               in   17
22    4   to the left of   18
23    5  to the right of   19
24    5  to the right of    2
25    5         lying in   17
26    5  to the right of   18
27    5               in   17
28    5  to the right of   16
29    6  to the right of    7
30    7   to the left of    6
31   11  to the right of   13
32   13   to the left of   11
33   14   to the left of    0
34   16  to the right of   18
35   16   to the left of    3
36   16  to the right of    1
37   16   to the left of   19
38   16   to the left of    5
39   16  to the right of    2
40   18   to the left of   19
41   18  to the right of    4
42   18  to the right of    1
43   18   to the left of    2
44   18   to the left of    5
45   18         lying in   17
46   18               in   17
47   18   to the left of   16
48   18   to the left of    3
49   19  to the right of    2
50   19   to the left of    5
51   19         lying in   17
52   19   to the left of    3
53   19  to the right of   16
54   19  to the right of   18