Are there both sand and grass in the image?
Yes, there are both sand and grass.
    src        edge_attr  dst
0     0   to the left of   19
1     1  to the right of   13
2     1  to the right of    2
3     1  to the right of    7
4     2  to the right of    7
5     2  to the right of   15
6     2   to the left of    1
7     3          pulling    7
8     3          holding   18
9     3  to the right of    7
10    3  to the right of   12
11    3  to the right of   15
12    4             near    9
13    5  to the right of    7
14    7  to the right of   17
15    7  to the right of   14
16    7   to the left of   16
17    7  to the right of   11
18    7   to the left of    3
19    7   to the left of   18
20    7   to the left of    1
21    7   to the left of   19
22    7        pulled by    3
23    7   to the left of    5
24    7   to the left of    8
25    7          tied to   18
26    7   to the left of    2
27    8  to the right of    7
28    8  to the right of   12
29    9          next to    4
30    9             near    4
31   11  to the right of   14
32   11   to the left of    7
33   12   to the left of    3
34   12   to the left of   18
35   12   to the left of    8
36   13   to the left of   16
37   13   to the left of    1
38   13   to the left of   19
39   14   to the left of   11
40   14   to the left of   17
41   14   to the left of    7
42   15   to the left of    3
43   15   to the left of    2
44   16  to the right of   13
45   16  to the right of    7
46   17   to the left of    7
47   17  to the right of   14
48   18  to the right of   20
49   18  to the right of   12
50   18  to the right of    7
51   19  to the right of    0
52   19  to the right of    7
53   19  to the right of   13
54   20   to the left of   18