What's the peanut butter on?
The peanut butter is on the bun.
    src        edge_attr  dst
0     0            above    1
1     1            under    0
2     2   to the left of    3
3     2   to the left of    6
4     3               on    7
5     3               on    5
6     3  to the right of    2
7     4            above    7
8     6  to the right of    2
9     6               on    7
10    7            under    4