What is in front of the wall?
The dumpster is in front of the wall.
    src        edge_attr  dst
0     0           behind    1
1     1        on top of    4
2     1           behind    6
3     1      in front of    0
4     1  to the right of    5
5     1  to the right of    3
6     1   to the left of    8
7     2  to the right of    5
8     2  to the right of    3
9     2       painted on    1
10    3   to the left of    1
11    3  to the right of    5
12    3   to the left of    2
13    5   to the left of    1
14    5   to the left of    3
15    5   to the left of    2
16    6   to the left of    8
17    6   to the left of    9
18    6      in front of    1
19    8  to the right of    1
20    8  to the right of    6
21    8  to the right of    9
22    9        on top of    4
23    9  to the right of    6
24    9   to the left of    8