Is the lamp to the left of a monitor?
No, the lamp is to the left of a controller.
     src        edge_attr  dst
0      0  to the right of   22
1      0   to the left of   12
2      0               on   10
3      0  to the right of    4
4      0   to the left of    2
..   ...              ...  ...
149   25  to the right of   23
150   26   to the left of   12
151   26  to the right of   15
152   26  to the right of   16
153   26  to the right of    4

[154 rows x 3 columns]