What device is on the pole?
The device is a speaker.
    src        edge_attr  dst
0     0               of   20
1     1           behind   15
2     2   to the left of   16
3     2   to the left of   14
4     3   to the left of   20
5     5   to the left of   16
6     6  to the right of   19
7     6               on    9
8     7   to the left of   20
9     8   to the left of   15
10    8          wearing   19
11    8          holding   14
12    9  to the right of   12
13   12   to the left of    9
14   13  to the right of   18
15   13               on   11
16   13               of   14
17   14         catching   13
18   14  to the right of    2
19   15      in front of    1
20   15           behind   18
21   15   to the left of   20
22   15         watching    5
23   15   to the left of   19
24   15  to the right of    8
25   16               of   14
26   16  to the right of    2
27   16  to the right of    5
28   17               of   14
29   18   to the left of   13
30   18      in front of   15
31   19  to the right of   20
32   19  to the right of   15
33   19   to the left of    6
34   20          wearing    7
35   20   to the left of   19
36   20          wearing   19
37   20  to the right of    3
38   20  to the right of   15
39   20  to the right of    7