Which kind of device is on the counter?
The device is a keyboard.
    src        edge_attr  dst
0     0          playing    6
1     0   to the left of    7
2     0   to the left of    5
3     1               on    3
4     2   to the left of    9
5     2   to the left of    6
6     5  to the right of    0
7     6  to the right of    2
8     6               on    3
9     7             with    9
10    7  to the right of    0
11    7          wearing    5
12    8               on    4
13    9  to the right of    2