What is the device that the person to the right of the bottle is holding?
The device is a controller.
    src        edge_attr  dst
0     0  to the right of    3
1     1   to the left of    7
2     1  to the right of    4
3     1  to the right of    3
4     3   to the left of    1
5     3   to the left of    0
6     3   to the left of    6
7     3   to the left of    7
8     4   to the left of    7
9     4   to the left of    1
10    4               on    5
11    4   to the left of    6
12    5   to the left of    6
13    5   to the left of    7
14    6          holding    1
15    6  to the right of    5
16    6  to the right of    4
17    6          wearing    7
18    6  to the right of    3
19    7  to the right of    4
20    7  to the right of    5
21    7  to the right of    3
22    7  to the right of    1