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