What vehicle is blue?
The vehicle is a car.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of   13
2     0   to the left of    1
3     1  to the right of    7
4     1  to the right of    6
..  ...              ...  ...
73   14  to the right of    1
74   14       driving on   10
75   15   to the left of    1
76   15   to the left of   13
77   15   to the left of   10

[78 rows x 3 columns]