Is the label on an onion?
Yes, the label is on an onion.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of    3
2     1  to the right of   11
3     1  to the right of   10
4     1   to the left of   15
..  ...              ...  ...
64   15  to the right of   11
65   15   to the left of   12
66   15  to the right of    5
67   15  to the right of   10
68   15  to the right of    1

[69 rows x 3 columns]