Who is in front of the pine trees?
The boy is in front of the pines.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    6
2     0  to the right of   12
3     1   to the left of   10
4     4   to the left of   13
5     5          wearing    0
6     5     playing with    6
7     5         throwing    6
8     5          wearing    4
9     5          wearing   13
10    5      in front of    9
11    6   to the left of    0
12    6   to the left of   12
13    6   to the left of   10
14    7   to the left of   12
15    7               of    5
16    7   to the left of    0
17    9           behind    2
18    9           behind    5
19   10  to the right of    1
20   10  to the right of   12
21   10  to the right of    6
22   12               of    5
23   12  to the right of    6
24   12   to the left of    0
25   12   to the left of   10
26   12  to the right of    7
27   13  to the right of    4