Is the black vehicle to the right of a train car?
Yes, the car is to the right of a train car.
    src        edge_attr  dst
0     0   to the left of   12
1     2  to the right of   17
2     3   to the left of    8
3     3  to the right of    9
4     3   to the left of    6
5     3   to the left of   17
6     4   to the left of   17
7     4  to the right of    9
8     4   to the left of    8
9     5  to the right of   16
10    5  to the right of   11
11    6  to the right of    3
12    6   to the left of   17
13    6   to the left of    8
14    6  to the right of    9
15    7  to the right of   11
16    7  to the right of   16
17    8   to the left of   13
18    8  to the right of    3
19    8  to the right of    4
20    8   to the left of   14
21    8  to the right of   12
22    8  to the right of    6
23    9   to the left of   10
24    9   to the left of    6
25    9   to the left of    4
26    9          next to   15
27    9   to the left of    3
28   10               on   11
29   10   to the left of   14
30   10   to the left of   13
31   10  to the right of    9
32   11   to the left of    5
33   11   to the left of   16
34   11   to the left of    7
35   12   to the left of    8
36   12   to the left of   17
37   12  to the right of    0
38   13  to the right of    8
39   13  to the right of   10
40   14  to the right of    8
41   14  to the right of   10
42   15             near    9
43   16   to the left of    7
44   16  to the right of   11
45   16   to the left of    5
46   17  to the right of   12
47   17  to the right of    6
48   17   to the left of    2
49   17  to the right of    3
50   17  to the right of    4