Which kind of sauce is on the crust?
The sauce is tomato sauce.
    src        edge_attr  dst
0     0     plugged into    2
1     0               on    1
2     0         lying on    1
3     0   to the left of    6
4     0   to the left of    5
5     0   to the left of   12
6     3               on   11
7     5  to the right of    0
8     5   to the left of   10
9     6   to the left of   10
10    6  to the right of    0
11    7               on    6
12    8               of   11
13    9               on    8
14   10  to the right of    5
15   10  to the right of    6
16   10               on    1
17   11             with   15
18   11             with    3
19   11             with   14
20   12  to the right of    0
21   12         lying on    6
22   12               on    6
23   12       sitting on    6
24   14  to the right of   15
25   14               on   11
26   15   to the left of   14
27   15               on   11