What is in front of the old trees?
The hydrant is in front of the trees.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    9
3     1   to the left of    6
4     1  to the right of    0
5     1   to the left of   10
6     1   to the left of    4
7     1  to the right of    2
8     2               in    5
9     2      in front of    3
10    2  to the right of    0
11    2   to the left of    3
12    2   to the left of    1
13    2   to the left of    6
14    2   to the left of    4
15    2   to the left of   10
16    2  to the right of    7
17    3           behind    2
18    3  to the right of    9
19    3  to the right of    2
20    4               in    5
21    4  to the right of    1
22    4  to the right of    2
23    5               on    6
24    6  to the right of    9
25    6  to the right of    1
26    6  to the right of    2
27    7   to the left of    2
28    9   to the left of    6
29    9   to the left of    3
30    9  to the right of    0
31   10  to the right of    2
32   10  to the right of    1