Is the building in front of the tree?
Yes, the building is in front of the tree.
    src        edge_attr  dst
0     1   to the left of    5
1     1  to the right of    3
2     2  to the right of   15
3     2   to the left of   17
4     3   to the left of    5
5     3   to the left of    1
6     3   to the left of   13
7     5   to the left of   11
8     5  to the right of    3
9     5  to the right of    1
10    6   to the left of   15
11    6  to the right of   10
12    7  to the right of   13
13    7  to the right of   12
14    8           behind   12
15    8  to the right of   12
16    8  to the right of   13
17   10               on    9
18   10   to the left of    6
19   10   to the left of   13
20   11  to the right of    5
21   11  to the right of   16
22   12      in front of    8
23   12   to the left of    8
24   12   to the left of    7
25   13      in front of   13
26   13   to the left of    8
27   13  to the right of    3
28   13   to the left of    7
29   13  to the right of   10
30   13           behind   13
31   15   to the left of   17
32   15  to the right of    6
33   15   to the left of    2
34   16   to the left of   11
35   17  to the right of   15
36   17  to the right of    2