The grapes are on what?
The grapes are on the cake.
    src        edge_attr  dst
0     0               on    4
1     0             with    3
2     1               on    3
3     2               of    3
4     2  to the right of    6
5     3             with    5
6     3   to the left of    7
7     3               on    0
8     5               on    3
9     6   to the left of    2
10    7  to the right of    3
11    7               at    0
12    7               on    0