Who is in front of the tree?
The woman is in front of the tree.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    5
2     0     playing with    9
3     0         throwing   10
4     0      in front of    5
5     1   to the left of    9
6     5           behind    0
7     5  to the right of    6
8     5  to the right of    0
9     5  to the right of   10
10    5  to the right of    7
11    6   to the left of    9
12    6   to the left of    5
13    7   to the left of    5
14    7   to the left of    9
15    8   to the left of    9
16    9         catching   10
17    9  to the right of    6
18    9  to the right of    7
19    9  to the right of    8
20    9  to the right of    1
21    9  to the right of    0
22   10   to the left of    5