Are there both grass and sand in the photograph?
Yes, there are both sand and grass.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of   18
2     0   to the left of   17
3     0   to the left of    3
4     1  to the right of    9
5     1         throwing    8
6     3  to the right of    7
7     3  to the right of    0
8     4   to the left of   17
9     7  to the right of    0
10    7   to the left of   18
11    7   to the left of    3
12    9   to the left of   16
13    9   to the left of    1
14   10  to the right of   14
15   14   to the left of   10
16   14   to the left of   15
17   15  to the right of   14
18   16  to the right of    9
19   17  to the right of    0
20   17  to the right of   18
21   17  to the right of    4
22   18  to the right of    7
23   18  to the right of    0
24   18   to the left of   17
25   18               on   12