What is located on top of the pizza that is holding the bread?
The mushroom is on top of the pizza.
    src        edge_attr  dst
0     0  to the right of    3
1     0   to the left of    2
2     1   to the left of    2
3     1  to the right of    3
4     1         grabbing    9
5     2  to the right of    0
6     2  to the right of    6
7     2  to the right of    1
8     3   to the left of    0
9     3   to the left of    1
10    3         grabbing    9
11    4  to the right of    9
12    6   to the left of    2
13    7            under    9
14    7            below    9
15    7       underneath    9
16    9   to the left of    4
17    9          holding    0
18    9             with   10
19    9            above    7
20    9               on    7
21   10        on top of    9
22   10               on    9