What device is to the left of the plate?
The device is a computer.
     src        edge_attr  dst
0      0  to the right of   15
1      0   to the left of   13
2      0   to the left of   19
3      1  to the right of   15
4      1  to the right of   16
..   ...              ...  ...
101   20  to the right of    2
102   20  to the right of   13
103   20  to the right of    7
104   20  to the right of   10
105   20       sitting on    7

[106 rows x 3 columns]