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