Is there a cake on the table?
No, there is a knife on the table.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of   10
2     1  to the right of   19
3     1  to the right of   11
4     1  to the right of   10
..  ...              ...  ...
67   19  to the right of   11
68   19  to the right of   10
69   20               on    0
70   20   to the left of   10
71   20   to the left of   11

[72 rows x 3 columns]