Is the van to the right or to the left of the person that is in the middle?
The van is to the right of the person.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of   26
2      0  to the right of   25
3      0  to the right of   13
4      0  to the right of    4
..   ...              ...  ...
172   26  to the right of   13
173   26  to the right of    3
174   26   to the left of   24
175   26   to the left of   18
176   26  to the right of   23

[177 rows x 3 columns]