Which kind of device is it?
The device is a remote control.
    src        edge_attr  dst
0     0          holding    3
1     0   to the left of    6
2     0          wearing    2
3     1               of    0
4     1   to the left of    2
5     2  to the right of    1
6     3          holding    7
7     4   to the left of    6
8     5               of    3
9     5               of    0
10    5   to the left of    6
11    6               of    3
12    6  to the right of    7
13    6  to the right of    0
14    6  to the right of    5
15    6  to the right of    4
16    7   to the left of    6