What animal do you think is eating the grass?
The zebra is eating the grass.
    src        edge_attr  dst
0     1           eating   13
1     1           eating    2
2     1           eating   11
3     1           eating   15
4     1   to the left of   12
5     1           eating    5
6     1           eating   12
7     1   to the left of   19
8     1   to the left of   13
9     1  to the right of    4
10    1   to the left of   17
11    2  to the right of   19
12    4   to the left of    7
13    4   to the left of    8
14    4   to the left of   14
15    4   to the left of    1
16    5  to the right of   11
17    7  to the right of    4
18    8   to the left of   13
19    8  to the right of    4
20    9       walking in    4
21   11   to the left of    5
22   12  to the right of    1
23   13  to the right of    8
24   13  to the right of    1
25   14               of    9
26   14  to the right of    4
27   16  to the right of   19
28   17  to the right of    1
29   19  to the right of    1
30   19   to the left of   16
31   19   to the left of    2
32   20               of    3