Which kind of food is not sliced?
The food is an onion.
    src        edge_attr  dst
0     0            under    9
1     0  to the right of    2
2     0  to the right of    8
3     0            below    9
4     1               on    9
5     1  to the right of    5
6     2               on    9
7     2   to the left of    8
8     2   to the left of    0
9     3  to the right of    5
10    4               on    9
11    4        on top of    9
12    4  to the right of    5
13    5               on    9
14    5   to the left of    4
15    5   to the left of    1
16    5   to the left of    3
17    8               on    9
18    8  to the right of    2
19    8   to the left of    0
20    9             with    1
21    9             with    8
22    9             with    4
23    9             with    5
24    9            above    0