Is the chocolate to the left of the box covered by a pizza?
No, the chocolate is covered by the doughnut.
    src        edge_attr  dst
0     0       covered by   13
1     0               on    4
2     0   to the left of    9
3     2            below    8
4     3               on    4
5     6   to the left of    9
6     7   to the left of    9
7     9  to the right of    6
8     9  to the right of    0
9     9  to the right of    7
10   10  to the right of   15
11   10  to the right of   14
12   10             with   13
13   12  to the right of   13
14   13               in    9
15   13               in   10
16   13   to the left of   12
17   13             with   12
18   14   to the left of   10
19   15   to the left of   10