What is hanging from the wall?
The knives are hanging from the wall.
    src        edge_attr  dst
0     0  to the right of    6
1     0   to the left of    2
2     1               on    7
3     2     hanging from    7
4     2  to the right of    0
5     2  to the right of    6
6     2               on    1
7     3  to the right of    8
8     3   to the left of   11
9     3   to the left of    9
10    3               on    5
11    6   to the left of    0
12    6   to the left of    2
13    8   to the left of    3
14    9  to the right of    3
15   11  to the right of    3