Who is looking at the device that is on the left?
The boy is looking at the keyboard.
    src        edge_attr  dst
0     0   to the left of    5
1     0  to the right of    1
2     0  to the right of   11
3     0  to the right of   15
4     0   to the left of    4
..  ...              ...  ...
72   17   to the left of    4
73   17  to the right of    8
74   17  to the right of   16
75   18  to the right of   16
76   18  to the right of   11

[77 rows x 3 columns]