Is the calf to the right or to the left of the cow?
The calf is to the left of the cow.
     src        edge_attr  dst
0      0  to the right of   17
1      0  to the right of   13
2      0  to the right of    9
3      0  to the right of   29
4      0   to the left of   14
..   ...              ...  ...
113   29  to the right of   13
114   29   to the left of    1
115   29   to the left of    2
116   29   to the left of   15
117   29  to the right of   25

[118 rows x 3 columns]