Are there any girls behind the dog?
Yes, there is a girl behind the dog.
    src       edge_attr  dst
0     0  to the left of   12
1     0  to the left of    5
2     0  to the left of    8
3     0  to the left of    4
4     1  to the left of   10
..  ...             ...  ...
70   13  to the left of   11
71   13  to the left of    8
72   13  to the left of    5
73   14  to the left of    3
74   14  to the left of    5

[75 rows x 3 columns]