Is the roof of the house in front of the tree?
Yes, the roof is in front of the tree.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    2
2     0   to the left of    6
3     0      in front of    9
4     0               of    3
5     2               on    0
6     2   to the left of    0
7     2   to the left of    9
8     3   to the left of    6
9     4               on    5
10    4  to the right of    8
11    5  to the right of    6
12    6  to the right of    3
13    6   to the left of    5
14    6  to the right of    0
15    8               on    5
16    8   to the left of    4
17    8               in    7
18    9  to the right of    2
19    9            above    0
20    9   to the left of    0
21    9           behind    0