Are there any fences around the building?
Yes, there is a fence around the building.
    src        edge_attr  dst
0     0               of    2
1     0  to the right of   10
2     1            under    2
3     1            below    2
4     2            above    1
5     3  to the right of   13
6     5               of    2
7     6           around   11
8    10   to the left of    0
9    12  to the right of   13
10   13   to the left of   12
11   13   to the left of    3
12   13   to the left of   15
13   14               of    2
14   15               of    2
15   15  to the right of   13