What is on the shoe?
The shoe lace is on the shoe.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of    3
2     1  to the right of   10
3     1   to the left of    7
4     2               on    8
5     2   to the left of    9
6     2   to the left of    7
7     3   to the left of    0
8     3               of    6
9     4               of    6
10    4   to the left of    7
11    6   to the left of    7
12    6          chewing    8
13    7  to the right of    2
14    7  to the right of    0
15    7  to the right of    1
16    7  to the right of    6
17    7  to the right of    4
18    7  to the right of   10
19    9  to the right of    2
20   10   to the left of    7
21   10   to the left of    1
22   10               of    6