What is the sauce on top of the white plate?
The sauce is gravy.
    src        edge_attr  dst
0     0  to the right of    1
1     0      in front of    2
2     1   to the left of   10
3     1   to the left of    0
4     1   to the left of    5
5     1      in front of    2
6     2  to the right of    9
7     2        on top of   12
8     2           behind    1
9     2           behind    0
10    5  to the right of    1
11    6            under    7
12    6        on top of   12
13    6            below    7
14    7            above    6
15    7             with   11
16    7        on top of   12
17    7  to the right of   10
18    8  to the right of    9
19    8        on top of   12
20    8   to the left of   12
21    9   to the left of    2
22    9   to the left of    8
23   10            above   11
24   10   to the left of   11
25   10   to the left of    7
26   10  to the right of    1
27   11            under   10
28   11  to the right of   10
29   11        on top of    7
30   12  to the right of    8