Is the man to the right or to the left of the woman?
The man is to the left of the woman.
   src        edge_attr  dst
0    0   to the left of    4
1    0   to the left of    3
2    0   to the left of    6
3    2   to the left of    4
4    3  to the right of    0
5    3  to the right of    4
6    4   to the left of    3
7    4  to the right of    2
8    4  to the right of    0
9    6  to the right of    0