What is the food that is lying on top of the plate?
The food is a bagel.
    src          edge_attr  dst
0     0    to the right of    7
1     0    to the right of    2
2     1  sitting on top of   11
3     2    to the right of    6
4     2     to the left of    0
5     4     to the left of    9
6     4    to the right of   13
7     4     to the left of   14
8     4    to the right of   10
9     6     to the left of    2
10    6     to the left of    7
11    7     to the left of    8
12    7    to the right of   15
13    7     to the left of    0
14    7    to the right of    6
15    8    lying on top of    1
16    8    to the right of    7
17    9    to the right of   10
18    9    to the right of   13
19    9    to the right of    4
20   10     to the left of    9
21   10     to the left of   14
22   10     to the left of    4
23   12                 on   11
24   13     to the left of    4
25   13     to the left of    9
26   14    to the right of    4
27   14    to the right of   10
28   15    lying on top of    1
29   15     to the left of    7