Are there any zebras to the left of the animal above the grass?
Yes, there is a zebra to the left of the animal.
    src        edge_attr  dst
0     1   to the left of   21
1     1  to the right of   17
2     1   to the left of    4
3     1  to the right of    2
4     1   to the left of   15
..  ...              ...  ...
81   21   to the left of   12
82   21  to the right of    4
83   21  to the right of    6
84   22  to the right of   11
85   22  to the right of    3

[86 rows x 3 columns]