Of what color is the train on the left?
The train is blue.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    5
2     0  to the right of    6
3     0  to the right of    8
4     0   to the left of   11
5     0  to the right of   13
6     0   to the left of   16
7     2  to the right of    0
8     2  to the right of   10
9     3   to the left of    5
10    5  to the right of    0
11    5  to the right of    3
12    6   to the left of    0
13    6   to the left of   16
14    8   to the left of    0
15    8   to the left of   16
16    9  to the right of   14
17    9  to the right of   10
18   10   to the left of    2
19   10   to the left of   11
20   10   to the left of    9
21   11               of   11
22   11  to the right of    0
23   11          wearing    2
24   11  to the right of   10
25   13   to the left of   16
26   13   to the left of    0
27   14   to the left of   16
28   14   to the left of    9
29   15               on    0
30   16  to the right of    8
31   16  to the right of   13
32   16  to the right of    0
33   16  to the right of   14
34   16  to the right of    6