What type of device is to the left of the person that is wearing a shirt?
The device is a cell phone.
    src        edge_attr  dst
0     0   to the left of    8
1     1   to the left of    4
2     1  to the right of   16
3     1  to the right of   12
4     2  to the right of   12
..  ...              ...  ...
68   16   to the left of    7
69   16   to the left of    2
70   16   to the left of    5
71   16   to the left of    1
72   16   to the left of    8

[73 rows x 3 columns]