Which kind of dessert is on the plate?
The dessert is a cake.
    src        edge_attr  dst
0     0  to the right of    9
1     0               on    7
2     1               on    7
3     2               on    1
4     2               on    7
5     2  to the right of    9
6     5               on    7
7     7               on    5
8     9               on    7
9     9   to the left of    2
10    9   to the left of    0