Which color is the vegetable on the left?
The vegetable is white.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of   13
2     1        cooked in    8
3     1   to the left of    0
4     1   to the left of    6
5     2   to the left of    3
6     2   to the left of    6
7     3  to the right of    2
8     3   to the left of    6
9     4        cooked in    8
10    5   to the left of    9
11    5  to the right of   11
12    6  to the right of    3
13    6  to the right of   11
14    6  to the right of    2
15    6  to the right of   13
16    6  to the right of   10
17    6  to the right of    1
18    9  to the right of    5
19    9  to the right of   12
20   10   to the left of    6
21   11   to the left of   12
22   11   to the left of    5
23   11   to the left of    6
24   12  to the right of   11
25   12   to the left of    9
26   13   to the left of    6
27   13   to the left of    0