Who do you think is throwing the frisbee the dog is chasing?
The girl is throwing the frisbee.
    src        edge_attr  dst
0     1   to the left of   11
1     2         throwing   12
2     2          wearing    4
3     2          wearing    3
4     3   to the left of    9
5     3   to the left of    6
6     5   to the left of   12
7     6  to the right of    3
8     7          chasing   12
9     7               on    0
10    8  to the right of   14
11    9               of    2
12    9  to the right of    3
13   11  to the right of    1
14   12  to the right of    5
15   14   to the left of    8
16   16  to the right of   17
17   17   to the left of   16