Which color is the train next to the other train?
The train is blue.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    2
2     0   to the left of    6
3     0   to the left of    4
4     0   to the left of   10
5     2   to the left of   11
6     2          next to    5
7     2             near    5
8     2  to the right of    0
9     2  to the right of    5
10    3  to the right of    0
11    3   to the left of    4
12    3  to the right of    5
13    3  to the right of    6
14    3   to the left of   11
15    4  to the right of    3
16    4  to the right of    5
17    4   to the left of   11
18    4  to the right of   10
19    4  to the right of    6
20    4  to the right of    0
21    5   to the left of   10
22    5             near    2
23    5   to the left of    6
24    5   to the left of    4
25    5   to the left of    3
26    5   to the left of    2
27    6   to the left of    4
28    6  to the right of    5
29    6  to the right of    0
30    6   to the left of    3
31    6   to the left of   10
32    8   to the left of    9
33    9               in    8
34    9  to the right of    8
35   10  to the right of    6
36   10  to the right of    5
37   10   to the left of   11
38   10  to the right of    0
39   10   to the left of    4
40   11  to the right of    2
41   11  to the right of    3
42   11  to the right of    4
43   11  to the right of   10