Which kind of device is not gray, the laptop or the keyboard?
The keyboard is not gray.
    src        edge_attr  dst
0     0  to the right of    3
1     0   to the left of   13
2     0   to the left of   14
3     0  to the right of    6
4     0  to the right of    5
..  ...              ...  ...
77   17  to the right of    3
78   17   to the left of   14
79   17   to the left of   13
80   17  to the right of    5
81   17  to the right of    6

[82 rows x 3 columns]