What is on the plate?
The bread is on the plate.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of    5
2     2   to the left of   10
3     2   to the left of    6
4     3  to the right of   10
5     4               on   11
6     5   to the left of    7
7     5   to the left of    0
8     6  to the right of    2
9     7  to the right of    5
10    9  to the right of   12
11   10   to the left of    3
12   10  to the right of    2
13   12  to the right of    0
14   12   to the left of    9