What is located on top of the large food?
The spinach is on top of the food.
    src        edge_attr  dst
0     0   to the left of   10
1     0               of    4
2     1            under    4
3     1            below    4
4     1               on    8
5     2               on    6
6     3        on top of    4
7     4               on    6
8     4             with    5
9     4             with   13
10    4             with    7
11    4             with   10
12    5               on    4
13    5   to the left of   12
14    7               on    4
15   10  to the right of   11
16   10  to the right of    0
17   10               on    4
18   11   to the left of   13
19   11   to the left of   10
20   12  to the right of    5
21   13               on    4
22   13  to the right of   11
23   14               on    1