Is the white car to the left or to the right of the truck the sign is on the back of?
The car is to the right of the truck.
    src        edge_attr  dst
0     1  to the right of    8
1     1  to the right of    9
2     1  to the right of   11
3     1  to the right of    6
4     2   to the left of    4
5     2   to the left of   12
6     2   on the back of    9
7     3   to the left of    9
8     4   to the left of   12
9     4  to the right of    9
10    4  to the right of    2
11    5           riding   13
12    5               on   13
13    5  to the right of    6
14    5  to the right of    9
15    5  to the right of    8
16    6  to the right of    9
17    6   to the left of    1
18    6   to the left of    5
19    6  to the right of    8
20    7   on the back of    9
21    8   to the left of    1
22    8   to the left of    6
23    8   to the left of   13
24    8  to the right of    9
25    8               on    0
26    8   traveling down    0
27    8   to the left of    5
28    8     driving down    0
29    9   to the left of    4
30    9   to the left of    6
31    9   to the left of    1
32    9   to the left of   12
33    9  to the right of    3
34    9   to the left of   10
35    9   to the left of   13
36    9   to the left of    5
37    9   to the left of   11
38    9   to the left of    8
39   10  to the right of    9
40   10               on    0
41   11  to the right of    9
42   11   to the left of   12
43   11   to the left of    1
44   12  to the right of    2
45   12  to the right of    9
46   12  to the right of   11
47   12   on the side of    0
48   12  to the right of    4
49   13               on    0
50   13  to the right of    9
51   13  to the right of    8