What vegetable is to the left of the tomato?
The vegetable is a pepper.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    4
2     1  to the right of    9
3     3   to the left of    9
4     3   to the left of   12
5     4   to the left of    0
6     5  to the right of    8
7     5  to the right of   12
8     5  to the right of    9
9     7   to the left of    8
10    7   to the left of    9
11    8  to the right of    7
12    8   to the left of    5
13    8  to the right of   12
14    9  to the right of    7
15    9  to the right of    3
16    9  to the right of   12
17    9   to the left of    1
18    9   to the left of    5
19   10   to the left of   11
20   10   to the left of    0
21   11  to the right of   10
22   12   to the left of    9
23   12   to the left of    8
24   12   to the left of    5
25   12  to the right of    3