What animals are on the skateboard?
The animals are dogs.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of    9
2     0  to the right of   19
3     0  to the right of    2
4     0   to the left of    1
..  ...              ...  ...
80   21  to the right of   16
81   21   to the left of   15
82   21   to the left of   10
83   21   to the left of    3
84   21  to the right of    5

[85 rows x 3 columns]