What kind of vegetable is to the left of the bread?
The vegetable is a cucumber.
    src        edge_attr  dst
0     1   to the left of   11
1     2  to the right of    3
2     2  to the right of    8
3     3   to the left of    2
4     4   to the left of    8
5     6   to the left of   11
6     7   to the left of   11
7     7  to the right of   14
8     8   to the left of    2
9     8  to the right of    4
10   10   to the left of   11
11   11  to the right of   14
12   11  to the right of    1
13   11  to the right of    6
14   11  to the right of    7
15   11  to the right of   10
16   14   to the left of   11
17   14   to the left of    7