What is the device that is wearing a shirt?
The device is a controller.
   src        edge_attr  dst
0    0          holding    0
1    0          wearing    3
2    0   to the left of    2
3    0   to the left of    4
4    2  to the right of    0
5    3   to the left of    4
6    4               on    2
7    4  to the right of    3
8    4  to the right of    0