Is the car to the right or to the left of the bus?
The car is to the right of the bus.
    src        edge_attr  dst
0     1  to the right of    5
1     1               on    2
2     2  to the right of   12
3     3   to the left of    6
4     3   to the left of   15
..  ...              ...  ...
57   15   to the left of    7
58   15   to the left of   11
59   15  to the right of    3
60   15   to the left of   10
61   15   to the left of   14

[62 rows x 3 columns]