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