Is the speaker to the right or to the left of the lamp that is not unlit?
The speaker is to the left of the lamp.
     src        edge_attr  dst
0      0   to the left of   14
1      0  to the right of   28
2      1  to the right of   19
3      2   to the left of   24
4      2   to the left of    7
..   ...              ...  ...
148   29   to the left of   17
149   29   to the left of   22
150   29   to the left of   21
151   29   to the left of    3
152   29             with   10

[153 rows x 3 columns]