Is the metal gate behind or in front of the tree that is not wet?
The gate is behind the tree.
    src        edge_attr  dst
0     0             near    5
1     0               by    1
2     0      in front of    4
3     0   to the left of    5
4     0            above    3
5     1  to the right of    6
6     1   to the left of    7
7     2      in front of    6
8     2   to the left of    4
9     2               by    0
10    3            below    4
11    4           behind    0
12    4             near    6
13    4  to the right of    2
14    4   to the left of    8
15    4   to the left of    7
16    5             near    0
17    5  to the right of    0
18    6           behind    2
19    6             near    4
20    6   to the left of    1
21    7      in front of    8
22    7  to the right of    4
23    7  to the right of    1
24    8           behind    7
25    8  to the right of    4