Is the car to the right of the train car?
Yes, the car is to the right of the train car.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    6
2     1  to the right of    3
3     1  to the right of    8
4     1  to the right of    7
5     2   to the left of    0
6     3   to the left of    1
7     4  to the right of    9
8     5  to the right of   11
9     6   to the left of    0
10    7   to the left of    8
11    7   to the left of    1
12    8  to the right of    7
13    8   to the left of    1
14    9   to the left of    4
15   11   to the left of    5