Who is petting the cow?
The woman is petting the cow.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of   11
2     0   to the left of    5
3     0   to the left of    2
4     0   to the left of    7
..  ...              ...  ...
91   20  to the right of    1
92   21   to the left of   15
93   21   to the left of   11
94   22   to the left of    0
95   22   to the left of   12

[96 rows x 3 columns]