Is the lamp on the pole?
Yes, the lamp is on the pole.
    src        edge_attr  dst
0     0               of    1
1     0   to the left of    7
2     0   to the left of    6
3     0   to the left of   14
4     1               of    4
..  ...              ...  ...
64   15               of    0
65   15   to the left of   14
66   15   to the left of    7
67   16   to the left of   13
68   16  to the right of    7

[69 rows x 3 columns]