What is the device to the left of the person that is on the right side?
The device is a controller.
     src        edge_attr  dst
0      0  to the right of   11
1      1   to the left of    5
2      1   to the left of   22
3      1   to the left of   11
4      2  to the right of   19
..   ...              ...  ...
112   22   to the left of    2
113   22   to the left of   15
114   22   to the left of    9
115   22       sitting on    8
116   22          holding    3

[117 rows x 3 columns]