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