What color is the car?
The car is red.
    src        edge_attr  dst
0     0               on    7
1     0  to the right of    3
2     0  to the right of    2
3     0   to the left of    4
4     1  to the right of    5
5     2   to the left of    3
6     2   to the left of    7
7     2   to the left of    0
8     3   to the left of    0
9     3  to the right of    2
10    4  to the right of    0
11    5   to the left of    1
12    5   to the left of    6
13    6  to the right of    5
14    7  to the right of    2