What's the boy in front of?
The boy is in front of the fence.
   src        edge_attr  dst
0    0          wearing    8
1    0      in front of    4
2    1   to the left of   12
3    4           behind    0
4    5           around    5
5    6        parked in   11
6    7          wearing    2
7    9   to the left of   12
8   12  to the right of    1
9   12  to the right of    9