What kind of food is to the left of the fork?
The food is a dessert.
    src        edge_attr  dst
0     0             with    3
1     0   to the left of    5
2     0   to the left of    2
3     1               on    4
4     1   to the left of    5
5     2             with    3
6     2  to the right of    0
7     3               on    2
8     3   to the left of    5
9     3               on    0
10    5  to the right of    0
11    5               on    4
12    5  to the right of    1
13    5  to the right of    3
14    5  to the right of    6
15    6   to the left of    5