What vehicle is the same color as the sky?
The van is the same color as the sky.
    src        edge_attr  dst
0     0               on    1
1     0             near    1
2     0   to the left of   13
3     0   to the left of    3
4     0   to the left of   16
5     1             near   13
6     1   to the left of   16
7     1             near    5
8     1             near    0
9     2  to the right of    5
10    2  to the right of   16
11    3   to the left of   16
12    3  to the right of    0
13    4           behind   11
14    4   to the left of   16
15    5   to the left of    2
16    5             near    1
17    5               on    6
18    5  to the right of   16
19    6  to the right of   16
20    7               on   16
21    7   to the left of   10
22    8  to the right of   16
23   10               on   16
24   10  to the right of    7
25   11      in front of   13
26   11      in front of    4
27   11   to the left of   16
28   12   to the left of   16
29   13   to the left of   16
30   13               on    1
31   13  to the right of    0
32   13             near    1
33   13           behind   11
34   15           around   14
35   15  to the right of   16
36   16   to the left of    8
37   16  to the right of   11
38   16  to the right of    4
39   16   to the left of    2
40   16   to the left of   15
41   16  to the right of   12
42   16  to the right of    3
43   16  to the right of   13
44   16  to the right of    1
45   16   to the left of    6
46   16  to the right of    0
47   16   to the left of    5