Which kind of vehicle is blue?
The vehicle is a van.
    src        edge_attr  dst
0     0   to the left of   14
1     0  to the right of    9
2     0  to the right of    1
3     0  to the right of   11
4     0  to the right of   10
..  ...              ...  ...
58   16   to the left of   13
59   16   to the left of   11
60   16   to the left of    9
61   16   to the left of   10
62   16   to the left of    1

[63 rows x 3 columns]