What kind of fast food is the wall behind of, a pizza or a hot dog?
The wall is behind a pizza.
    src        edge_attr  dst
0     0           behind    1
1     0          wearing    3
2     0      in front of    2
3     0          wearing    5
4     1            above    8
5     1      in front of    2
6     1      in front of    0
7     1               on    8
8     1   to the left of    9
9     1   to the left of    7
10    2           behind    1
11    2           behind    0
12    5               of    0
13    5   to the left of   10
14    6               of    0
15    6  to the right of    8
16    7   to the left of   10
17    7  to the right of    1
18    8   to the left of    6
19    8            under    1
20    8   to the left of   11
21    8            below    1
22    8   to the left of   10
23    9   to the left of   10
24    9  to the right of    1
25   10               of    0
26   10  to the right of    7
27   10  to the right of    5
28   10  to the right of    8
29   10  to the right of    9
30   11  to the right of    8
31   11               of    0