Are there either any trucks or trains that are red?
Yes, the truck is red.
    src        edge_attr  dst
0     0   to the left of    4
1     0  to the right of   15
2     1               on    4
3     2   to the left of    4
4     3   to the left of   10
5     3           beside   14
6     4  to the right of    5
7     4  to the right of    2
8     4  to the right of   15
9     4   to the left of   11
10    4  to the right of    0
11    5   to the left of    4
12    5  to the right of   10
13    6   to the left of   15
14    6  to the right of    8
15    8   to the left of   12
16    8   to the left of   15
17    8   to the left of    6
18    8   to the left of   14
19    9          next to   13
20    9             near   13
21   10  to the right of    3
22   10  to the right of   14
23   10   to the left of    5
24   11  to the right of    4
25   11  to the right of   15
26   12  to the right of    8
27   12   to the left of   15
28   13             near    9
29   14   to the left of   10
30   14  to the right of    8
31   15   to the left of   11
32   15   to the left of    4
33   15  to the right of   12
34   15  to the right of    8
35   15   to the left of    0
36   15               on   13
37   15  to the right of    6