What kind of device is to the left of the man?
The device is a printer.
    src       edge_attr  dst
0     0  to the left of   10
1     0  to the left of    1
2     0  to the left of   21
3     0  to the left of   17
4     1         wearing   18
..  ...             ...  ...
73   21  to the left of    5
74   21  to the left of   18
75   21  to the left of   19
76   21  to the left of    2
77   21              in   22

[78 rows x 3 columns]