Do you see any zebras on the grass?
No, there is a horse on the grass.
    src        edge_attr  dst
0     2               of   13
1     3               of   13
2     3   to the left of   10
3     6           behind   13
4     7               of   13
5     8               of   10
6     9               of   13
7    10               on   13
8    10  to the right of    3
9    13               on   11
10   13      in front of    6