What is the appliance that is not illuminated?
The appliance is a toaster.
     src        edge_attr  dst
0      0   to the left of   12
1      0  to the right of    4
2      0   to the left of   11
3      0   to the left of    6
4      0  to the right of    3
..   ...              ...  ...
149   29  to the right of   23
150   29  to the right of   17
151   30   to the left of   23
152   30   to the left of   28
153   30   to the left of   29

[154 rows x 3 columns]