Who is in front of the trees that are green?
The woman is in front of the trees.
    src        edge_attr  dst
0     0  to the right of    7
1     3  to the right of    6
2     3  to the right of   10
3     5               in    2
4     6   to the left of    3
5     6           behind   10
6     7   to the left of   11
7     7   to the left of    0
8    10          wearing   12
9    10          holding    8
10   10      in front of    6
11   10          wearing    4
12   10   to the left of    3
13   11               on    0
14   11  to the right of    7