Is there a bag to the right of the green vehicle?
No, there is a person to the right of the bus.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    7
2     0  to the right of   16
3     0  to the right of   20
4     0  to the right of    1
..  ...              ...  ...
75   20               of    3
76   20   to the left of    0
77   20  to the right of   11
78   20   to the left of    7
79   20   to the left of   12

[80 rows x 3 columns]