What is the device to the left of the person that is wearing a shirt?
The device is a monitor.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of    5
2     1   to the left of    6
3     1   to the left of    3
4     2   to the left of    3
..  ...              ...  ...
63   17  to the right of    3
64   17  to the right of   13
65   18  to the right of    3
66   18  to the right of   13
67   18  to the right of    2

[68 rows x 3 columns]