Is the blue train to the right of a train car?
Yes, the train is to the right of a train car.
    src        edge_attr  dst
0     1   to the left of   17
1     2   to the left of    6
2     2            above    5
3     4               of    3
4     4  to the right of   12
5     4  to the right of   10
6     5            below    2
7     6   to the left of    7
8     6               in    8
9     6  to the right of    2
10    7  to the right of    6
11   10   to the left of   14
12   10  to the right of   15
13   10   to the left of    4
14   10  to the right of   16
15   10   on the side of    1
16   11   to the left of   16
17   11   to the left of   15
18   12      in front of   14
19   12   to the left of    4
20   12   to the left of   17
21   12   to the left of   14
22   14           behind   12
23   14  to the right of   10
24   14  to the right of   12
25   14  to the right of   15
26   14   to the left of   17
27   14  to the right of   16
28   15   to the left of   14
29   15  to the right of   16
30   15  to the right of   11
31   15   to the left of   10
32   16   to the left of   14
33   16  to the right of   11
34   16   to the left of   15
35   16   to the left of   10
36   16   on the side of   12
37   17  to the right of   14
38   17  to the right of    1
39   17  to the right of   12