Are there houses behind the trees?
Yes, there is a house behind the trees.
    src        edge_attr  dst
0     1   to the left of   10
1     1   to the left of    3
2     2   to the left of    6
3     3  to the right of    1
4     4   to the left of    5
5     5  to the right of    7
6     5  to the right of    4
7     5           behind   10
8     6  to the right of    2
9     6           behind   14
10    6          between   14
11    7   to the left of    5
12    8               on    7
13    8   to the left of   11
14    8   to the left of   12
15   10  to the right of    1
16   11  to the right of    8
17   12  to the right of    8
18   14      in front of    6