Are there any airplanes behind the vehicle?
Yes, there is an airplane behind the vehicle.
    src        edge_attr  dst
0     0          wearing   15
1     2   on the back of   13
2     3            above    8
3     3   to the left of    6
4     3   to the left of    4
5     3   to the left of   10
6     3   to the left of   11
7     4      in front of   13
8     4  on the front of   13
9     4  to the right of    3
10    4   to the left of   11
11    4  to the right of    6
12    4   to the left of    5
13    4  to the right of   10
14    5   on the side of   13
15    5  to the right of    6
16    5  to the right of    4
17    5  to the right of   10
18    5  to the right of   11
19    6   to the left of    5
20    6   to the left of   10
21    6   to the left of   11
22    6   on the side of   13
23    6   to the left of    4
24    6  to the right of    3
25    7      in front of   13
26    9           behind   14
27   10  to the right of    6
28   10   to the left of    5
29   10   to the left of    4
30   10  to the right of    3
31   10   to the left of   11
32   10           behind   11
33   11  to the right of   10
34   11  to the right of    6
35   11   to the left of    5
36   11  to the right of    4
37   11  to the right of    3
38   12      in front of   13
39   13           behind    7
40   13           behind    4
41   13           behind   12
42   14      in front of    9