On which side is the boy?
The boy is on the left of the image.
   src        edge_attr  dst
0    0  to the right of    1
1    1   to the left of    0
2    2          holding    3
3    4   to the left of   10
4    4   to the left of    9
5    9  to the right of    4
6    9  to the right of   11
7   10  to the right of    4
8   11   to the left of    9
9   12               on   11