What's the lamp on?
The lamp is on the desk.
     src        edge_attr  dst
0      0               of   13
1      0  to the right of   16
2      0   to the left of   18
3      0  to the right of   19
4      0  to the right of    7
..   ...              ...  ...
192   24  to the right of    6
193   24  to the right of   11
194   24  to the right of   17
195   24  to the right of   21
196   24  to the right of   22

[197 rows x 3 columns]