What kind of vegetable is on the pizza?
The vegetable is a pepper.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of   11
2     1               in   10
3     1  to the right of    2
4     1   to the left of    3
5     2               in    0
6     2   to the left of   10
7     2   to the left of    1
8     2   to the left of   11
9     3  to the right of    1
10    3  to the right of   10
11    4  to the right of    5
12    5               on   12
13    5  to the right of   13
14    5   to the left of    4
15    7  to the right of   10
16   10               on    9
17   10            above   11
18   10  to the right of    2
19   10   to the left of    3
20   10   to the left of    7
21   10               on   11
22   10               of    1
23   10  to the right of    0
24   11  to the right of   13
25   11  to the right of    0
26   11  to the right of    2
27   11            under   10
28   11  to the right of   15
29   12               on    8
30   12               on    9
31   12  to the right of   15
32   12             with    5
33   12  to the right of   13
34   13   to the left of   12
35   13   to the left of   11
36   13   to the left of    5
37   14               of   12
38   15               in   13
39   15   to the left of   12
40   15   to the left of   11