What is on the cake on the left?
The daisy is on the cake.
    src        edge_attr  dst
0     1      topped with    0
1     1               on    5
2     3  to the right of    4
3     4   to the left of    3
4     4   to the left of    7
5     4   to the left of    6
6     6  to the right of    7
7     6  to the right of    4
8     7   to the left of    6
9     7  to the right of    4
10    7               on    1