Are all these animals dogs?
Yes, all the animals are dogs.
    src        edge_attr  dst
0     0  to the right of   21
1     0  to the right of   16
2     1   to the left of   24
3     1   to the left of   23
4     1   to the left of   17
..  ...              ...  ...
84   24  to the right of   25
85   24               of   13
86   25               of   13
87   25   to the left of   24
88   25   to the left of   23

[89 rows x 3 columns]