What kind of device is to the left of the chair?
The device is a computer.
    src        edge_attr  dst
0     0   to the left of   20
1     0   to the left of   18
2     1               in   14
3     1   to the left of   11
4     1   to the left of   15
..  ...              ...  ...
90   19       sitting on   10
91   19               on   10
92   19   to the left of    5
93   20  to the right of    0
94   20   to the left of   16

[95 rows x 3 columns]