Are there either pizzas or hamburgers that are not uncooked?
No, there is a hamburger but it is uncooked.
    src        edge_attr  dst
0     0  to the right of    7
1     0               on    4
2     0  to the right of    1
3     0  to the right of    2
4     1   to the left of    6
5     1   to the left of    3
6     1   to the left of    0
7     2   to the left of    0
8     2   to the left of    6
9     2   to the left of    3
10    3  to the right of    1
11    3  to the right of    2
12    3  to the right of    7
13    3               on    6
14    6  to the right of    1
15    6  to the right of    2
16    6  to the right of    7
17    6               on    0
18    7   to the left of    0
19    7               on    1
20    7   to the left of    6
21    7   to the left of    3