Is the woman to the right of a backpack?
Yes, the woman is to the right of a backpack.
   src        edge_attr  dst
0    1  to the right of   11
1    1  to the right of    3
2    3   to the left of   12
3    3   to the left of   11
4    3   to the left of    1
5   10               on    2
6   11   to the left of    1
7   11               of   12
8   11  to the right of    3
9   12  to the right of    3