What device is on the desk?
The device is a speaker.
    src        edge_attr  dst
0     0               of    8
1     1               on    8
2     1  to the right of    5
3     1  to the right of   14
4     3               on    8
5     3      in front of    5
6     5   to the left of   14
7     5   to the left of    9
8     5           behind    3
9     5               on    8
10    5   to the left of    1
11    6  to the right of    7
12    6               on   10
13    6  to the right of    9
14    6  to the right of   11
15    6  to the right of   14
16    7  to the right of    9
17    7   to the left of    6
18    7               of    3
19    7   to the left of   15
20    9               on    8
21    9  to the right of    5
22    9   to the left of    6
23    9   to the left of    7
24    9  to the right of   12
25    9   to the left of   15
26   11               by    6
27   11   to the left of    6
28   11  to the right of   14
29   12   to the left of   14
30   12   to the left of    9
31   13               in    0
32   14               on    8
33   14   to the left of   11
34   14   to the left of    6
35   14   to the left of   15
36   14  to the right of   12
37   14  to the right of    5
38   14   to the left of    1
39   15  to the right of    7
40   15  to the right of   14
41   15               in    6
42   15  to the right of    9