What is the light fixture hanging on?
The light fixture is hanging on the ceiling.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   10
2     1  to the right of   11
3     1   to the left of    8
4     2  to the right of   17
..  ...              ...  ...
67   17   to the left of    2
68   17   to the left of   13
69   18  to the right of   11
70   19   to the left of   11
71   19   to the left of   14

[72 rows x 3 columns]