What is the towel hanging on?
The towel is hanging on the wall.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    4
2     0   to the left of    9
3     4  to the right of    0
4     4   to the left of    9
5     4  to the right of   12
6     4  to the right of    7
7     4  to the right of    6
8     4       hanging on    0
9     4     hanging from    7
10    5               of    5
11    6   to the left of    8
12    6   to the left of    4
13    7  to the right of   10
14    7  to the right of   13
15    7  to the right of   12
16    7   to the left of    4
17    8  to the right of    6
18    9  to the right of    4
19    9  to the right of    0
20   10   to the left of    0
21   10   to the left of    7
22   10   to the left of   12
23   10   to the left of   13
24   12   to the left of    7
25   12  to the right of   10
26   12   to the left of    4
27   13   to the left of    7
28   13  to the right of   10