What kind of furniture are the headphones on?
The headphones are on the desk.
    src        edge_attr  dst
0     0  to the right of    7
1     1   to the left of    7
2     1   to the left of    3
3     1   to the left of   11
4     1   to the left of    9
5     3  to the right of    6
6     3  to the right of    9
7     3   to the left of   11
8     3  to the right of    1
9     3   to the left of    7
10    3  to the right of    8
11    4  to the right of    5
12    5   to the left of    4
13    6  to the right of    9
14    6   to the left of   11
15    6   to the left of    3
16    7  to the right of    8
17    7  to the right of    3
18    7   to the left of    0
19    7  to the right of    1
20    7  to the right of   13
21    8   to the left of    3
22    8   to the left of    7
23    8   to the left of    9
24    8   to the left of   11
25    9  to the right of    8
26    9   to the left of   11
27    9   to the left of    3
28    9   to the left of    6
29    9   to the left of   10
30    9  to the right of    1
31    9   to the left of   12
32   10  to the right of   12
33   10   to the left of   15
34   10   to the left of   14
35   10  to the right of    9
36   11  to the right of    9
37   11  to the right of    6
38   11  to the right of    8
39   11  to the right of    1
40   11  to the right of    3
41   12  to the right of    9
42   12   to the left of   10
43   13               on   17
44   13   to the left of    7
45   14  to the right of   10
46   14   to the left of   15
47   15  to the right of   10
48   15  to the right of   14