Which kind of food is to the right of the tomato?
The food is salad.
    src        edge_attr  dst
0     0  to the right of   19
1     0   to the left of    5
2     1  to the right of    9
3     2  to the right of   22
4     3  to the right of    4
5     3  to the right of   12
6     3   to the left of   11
7     4   to the left of    3
8     5  to the right of   15
9     5               on    6
10    5   to the left of   16
11    5  to the right of    0
12    5  to the right of   14
13    6  to the right of   14
14    6   to the left of   16
15    6  to the right of   15
16    7   to the left of   15
17    8   to the left of   18
18    8   to the left of   13
19    8  to the right of   11
20    8   to the left of   21
21    9   to the left of    1
22   10  to the right of   22
23   10               on    2
24   11  to the right of    3
25   11   to the left of    8
26   11   to the left of   18
27   11   to the left of   21
28   12   to the left of    3
29   13  to the right of    8
30   14   to the left of   16
31   14  to the right of   15
32   14   to the left of    6
33   14   to the left of    5
34   15   to the left of   16
35   15   to the left of   14
36   15  to the right of    7
37   15   to the left of    6
38   15   to the left of    5
39   16  to the right of   15
40   16  to the right of    5
41   16  to the right of   14
42   16  to the right of    6
43   17   to the left of   19
44   18  to the right of    8
45   18  to the right of   11
46   19   to the left of    0
47   19  to the right of   17
48   21  to the right of    8
49   21  to the right of   11
50   21               on   18
51   22   to the left of   10
52   22   to the left of    2