That train has what color?
The train is red.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of   12
2     0  to the right of   14
3     2  to the right of   12
4     2   to the left of    4
5     3  to the right of   15
6     4  to the right of   12
7     4  to the right of    2
8     6  to the right of    7
9     7   to the left of    6
10    8  to the right of    9
11    9   to the left of    8
12   10   to the left of   15
13   12  to the right of    0
14   12   to the left of    4
15   12   to the left of    2
16   12  to the right of   14
17   12  to the right of   13
18   13   to the left of   12
19   13   to the left of    0
20   13   to the left of   14
21   14   to the left of    0
22   14   to the left of   12
23   14  to the right of   13
24   15   to the left of    3
25   15  to the right of   10