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