What type of food is to the right of the white food?
The food is a sandwich.
    src        edge_attr  dst
0     0               on    4
1     1  to the right of    5
2     1  to the right of    2
3     1  to the right of    8
4     1  to the right of    7
5     2   to the left of    1
6     2           inside    7
7     3               on    7
8     3  to the right of    7
9     4            under    9
10    4               in   10
11    5   to the left of    1
12    5  to the right of   10
13    7             with    3
14    7             with    8
15    7   to the left of    3
16    7   to the left of    1
17    7  to the right of   10
18    8               on    7
19    8   to the left of    1
20    9               in   10
21    9  to the right of   10
22    9               on    4
23    9            above    4
24   10   to the left of    5
25   10   to the left of    7
26   10               on    6
27   10   to the left of    9