Are there any people to the left of the bench?
Yes, there is a person to the left of the bench.
   src        edge_attr  dst
0    0  to the right of    1
1    1   to the left of    0
2    1  to the right of    4
3    2   to the left of    4
4    2  to the right of    3
5    3   to the left of    2
6    4  to the right of    2
7    4   to the left of    1