What is hanging on the wall the lamp is mounted to?
The picture is hanging on the wall.
    src        edge_attr  dst
0     0          hung on   11
1     0               on   11
2     0               on    5
3     0      attached to   11
4     0  to the right of    5
5     0  to the right of   10
6     0   to the left of    7
7     1               on    4
8     2          next to    4
9     2   to the left of   11
10    2   to the left of    4
11    2             near   10
12    2             near    4
13    3               on    9
14    3   to the left of    4
15    4  to the right of    3
16    4  to the right of    2
17    4  to the right of    9
18    4             near    2
19    5   to the left of    0
20    5   to the left of   11
21    5   to the left of    6
22    5   to the left of    7
23    6   to the left of    7
24    6               on   11
25    6  to the right of    5
26    6  to the right of   10
27    7  to the right of    5
28    7       hanging on   11
29    7  to the right of    0
30    7  to the right of    6
31    7  to the right of    8
32    7               on   11
33    8               on    2
34    8   to the left of    7
35    9   to the left of    4
36   10          next to    2
37   10   to the left of   11
38   10   to the left of    6
39   10   to the left of    0
40   11  to the right of   10
41   11  to the right of    2
42   11  to the right of    5
43   12       mounted to   11
44   12          hung on   11
45   12               on   11
46   12      attached to   11