Are there any girls to the right of the ball?
Yes, there is a girl to the right of the ball.
   src        edge_attr  dst
0    0          holding    2
1    0  to the right of    2
2    0  to the right of    1
3    0          wearing    3
4    1   to the left of    0
5    2   to the left of    0
6    2   to the left of    3
7    3  to the right of    2