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