What is in front of the brown buildings?
The fence is in front of the buildings.
    src        edge_attr  dst
0     2               of    6
1     3  to the right of    9
2     3   to the left of    6
3     3   to the left of   14
4     3               of    8
5     6  to the right of    3
6     6   to the left of   11
7     6          wearing   14
8     6          wearing   15
9     6          wearing    2
10    7   to the left of   15
11    8      in front of    9
12    9           behind    8
13    9   to the left of    3
14   11  to the right of    6
15   14  to the right of    3
16   15               on    7
17   15  to the right of    7