What animals are on the grass?
The animals are zebras.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   12
2     0  to the right of    7
3     0               of   13
4     2               of   13
5     4               of   13
6     6               in    3
7     7   to the left of    0
8     7               of   13
9     7  to the right of   14
10    8   to the left of   16
11    8          between    2
12    8               of   13
13    8   to the left of   10
14    9             near   16
15   10  to the right of   12
16   10  to the right of    8
17   10   to the left of    0
18   10  to the right of   14
19   11  to the right of   13
20   11  to the right of   16
21   12   to the left of    0
22   12   to the left of   10
23   13   to the left of   11
24   14               of   13
25   14   to the left of    7
26   14   to the left of   10
27   15               of   13
28   16               on    6
29   16   to the left of   11
30   16  to the right of    8
31   16             near    9