What is the device to the right of the computer mouse that is on the desk?
The device is a speaker.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    9
2     0   to the left of   10
3     1               on    2
4     1  to the right of    8
..  ...              ...  ...
79   21   to the left of   18
80   22  to the right of   21
81   22  to the right of   14
82   22               on   16
83   22  to the right of   18

[84 rows x 3 columns]