What are the headphones on, a desk or a bed?
The headphones are on a desk.
    src        edge_attr  dst
0     1            under    2
1     1            below    2
2     2            below   18
3     2            above    1
4     2            above    4
5     2             near   16
6     3               on    2
7     3      in front of   13
8     3  to the right of    8
9     3  to the right of    5
10    3  to the right of   14
11    3   to the left of   13
12    4               by    1
13    4            under    2
14    5   to the left of    3
15    5   to the left of   14
16    5  to the right of    8
17    6  to the right of    7
18    6  to the right of   15
19    6  to the right of   12
20    6  to the right of   18
21    7   to the left of   12
22    7   to the left of    6
23    7   to the left of   15
24    7   to the left of   14
25    7   to the left of   18
26    7               on    2
27    8               on    2
28    8  to the right of   11
29    8   to the left of    3
30    8   to the left of    5
31   10               of   16
32   11               on    2
33   11   to the left of    8
34   12  to the right of    7
35   12   to the left of    6
36   12   to the left of   15
37   13           behind    3
38   13  to the right of    3
39   14   to the left of   17
40   14  to the right of    7
41   14   to the left of    3
42   14  to the right of    5
43   15  to the right of   12
44   15   to the left of    6
45   15               on   18
46   15  to the right of    7
47   16             near    2
48   17  to the right of   14
49   18   to the left of    6
50   18            above    2
51   18  to the right of    7