What vegetables aren't red?
The vegetables are peas.
    src        edge_attr  dst
0     0          contain    1
1     0   to the left of    4
2     0  to the right of    3
3     2   to the left of    4
4     2  to the right of    3
5     3        on top of    7
6     3   to the left of    0
7     3           behind    5
8     3   to the left of    2
9     4  to the right of    2
10    4  to the right of    0
11    5          contain    6
12    5      in front of    3
13    5        on top of    7
14    6               in    5