What color is the car on the left of the picture?
The car is gray.
    src        edge_attr  dst
0     0  to the right of   19
1     0  to the right of   18
2     0  to the right of    7
3     1  to the right of   18
4     1   to the left of   17
..  ...              ...  ...
68   19  to the right of   18
69   19   to the left of    0
70   19   to the left of    2
71   19   to the left of    4
72   19  to the right of   10

[73 rows x 3 columns]