Is the dog to the left or to the right of the man that is on the surfboard?
The dog is to the left of the man.
   src        edge_attr  dst
0    2               in    7
1    4          holding    6
2    4               on    9
3    4  to the right of    8
4    5   to the left of    9
5    8               on    9
6    8   to the left of    4
7    9  to the right of    5
8    9               in    7