Is the car to the right or to the left of the large vehicle?
The car is to the left of the bus.
   src        edge_attr  dst
0    0   to the left of    1
1    0               on    2
2    1  to the right of    0
3    1               on    2
4    1  to the right of    3
5    1  to the right of    4
6    3   to the left of    6
7    3   to the left of    1
8    4   to the left of    1
9    6  to the right of    3