What color is the car, blue or red?
The car is blue.
    src        edge_attr  dst
0     0  to the right of   18
1     0  to the right of    5
2     0  to the right of    1
3     0  to the right of    6
4     1   to the left of    0
..  ...              ...  ...
94   23   to the left of    6
95   23   to the left of    4
96   23  to the right of   20
97   23   to the left of   17
98   25               on   24

[99 rows x 3 columns]