The building near the shrub is surrounded by what?
The building is surrounded by the gate.
    src        edge_attr  dst
0     1   to the left of   12
1     1   to the left of    3
2     3   to the left of   11
3     3  to the right of    1
4     3   on the side of    6
5     5        on top of    6
6     6    surrounded by   14
7     6             near    7
8     6   to the left of   11
9     6           behind   13
10    7          next to    6
11   11  to the right of    3
12   11  to the right of    6
13   11  to the right of   15
14   12  to the right of    1
15   13      in front of    6
16   13   to the left of   15
17   15  to the right of   13
18   15   to the left of   11