Is there any dog by the horse?
No, there is a bird by the horse.
    src        edge_attr  dst
0     0  to the right of   10
1     1  to the right of   10
2     1  to the right of   20
3     2   to the left of   14
4     2   to the left of   10
..  ...              ...  ...
71   28  to the right of   17
72   28  to the right of   20
73   28  to the right of   10
74   28  to the right of   11
75   29  to the right of   19

[76 rows x 3 columns]