What is located on top of the pizza the pepperoni is to the left of?
The basil is on top of the pizza.
    src        edge_attr  dst
0     0               on    7
1     0   to the left of    6
2     1   to the left of    5
3     1   to the left of    4
4     1               on    7
5     1  to the right of    2
6     2        on top of    7
7     2   to the left of    1
8     2   to the left of    5
9     3        on top of    7
10    4        on top of    7
11    4               on    7
12    4  to the right of    1
13    5  to the right of    2
14    5  to the right of    1
15    6  to the right of    0
16    7             with    4
17    7             with    2
18    7             with    3
19    7               of    7
20    7               on   10
21    7  to the right of    9
22    8  to the right of   11
23    9   to the left of    7
24   11               on   10
25   11   to the left of    8
26   12               on    7