Is there any food to the left of the fork?
Yes, there is food to the left of the fork.
    src        edge_attr  dst
0     0   to the left of    3
1     2   to the left of   15
2     2  to the right of   14
3     2  to the right of   20
4     2   to the left of   19
..  ...              ...  ...
65   22  to the right of    4
66   22  to the right of   17
67   22   to the left of    2
68   22  to the right of    9
69   22   to the left of   12

[70 rows x 3 columns]