Which kind of food is to the right of the beef?
The food is rice.
    src        edge_attr  dst
0     0  to the right of   11
1     0               on    4
2     0   to the left of    1
3     0  to the right of    9
4     0   to the left of    2
5     1  to the right of    0
6     1  to the right of   12
7     1               on    4
8     2               on    4
9     2  to the right of    0
10    2  to the right of   12
11    3  to the right of   11
12    3  to the right of    9
13    4               on    6
14    4  to the right of   11
15    5  to the right of   10
16    7  to the right of   10
17    7               in    8
18    8               on    6
19    8            above    9
20    9               on    6
21    9   to the left of    0
22    9            under    8
23    9   to the left of    3
24   10   to the left of    5
25   10   to the left of    7
26   10               in    8
27   11   to the left of    0
28   11   to the left of    3
29   11   to the left of    4
30   12   to the left of    2
31   12               on    4
32   12   to the left of    1