What is the color of the tail?
The tail is red.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of    2
2     2  to the right of   14
3     2   to the left of    0
4     2   to the left of    5
5     3   to the left of   16
6     4          driving   12
7     4   to the left of    9
8     4          driving   10
9     5  to the right of    2
10    5  to the right of   17
11    6  to the right of    7
12    6   to the left of   16
13    7               on   11
14    7   to the left of    6
15    7   to the left of   16
16    8   to the left of   12
17    8   to the left of    9
18    9  to the right of    4
19    9  to the right of   10
20    9  to the right of    8
21   10           towing    9
22   10   to the left of    9
23   12  to the right of    8
24   13               of   11
25   13  to the right of   16
26   14   to the left of   17
27   14   to the left of    2
28   16  to the right of    3
29   16   to the left of   13
30   16               of   11
31   16  to the right of    7
32   16  to the right of    6
33   17   to the left of    0
34   17   to the left of    5
35   17  to the right of   14