Is the brown car to the left of a bike?
Yes, the car is to the left of a bike.
   src        edge_attr  dst
0    0               on    3
1    0   to the left of    5
2    2               by    3
3    2   to the left of    5
4    4   to the left of    5
5    5  to the right of    4
6    5  to the right of    2
7    5  to the right of    0