Which kind of baked good is to the right of the lettuce?
The food is a bun.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    1
2     0  to the right of    9
3     1   to the left of    7
4     1   to the left of    0
5     1   to the left of    2
6     2  to the right of    1
7     2  to the right of    9
8     2  to the right of    6
9     6   to the left of    0
10    6   to the left of    2
11    7  to the right of    1
12    7  to the right of    9
13    9   to the left of    2
14    9   to the left of    7
15    9               on    5
16    9   to the left of    0