Which kind of aircraft is in front of the sky?
The aircraft is a jet.
    src        edge_attr  dst
0     0    coming out of   10
1     0           behind   10
2     0      coming from   10
3     1      coming from    3
4     1    coming out of    4
5     1           behind    4
6     1      coming from    5
7     2      in front of   13
8     2      in front of    8
9     2        flying in   13
10    3   to the left of   15
11    3   to the left of    4
12    4   to the left of   15
13    4      in front of    1
14    4        flying in   13
15    4   to the left of    5
16    4  to the right of    3
17    5  to the right of    4
18    5      in front of   13
19    5        flying in   13
20    7           behind    9
21    7      coming from    9
22    7    coming out of    9
23    8           behind    2
24    8      coming from    2
25    9        flying in   13
26    9      in front of   13
27    9      in front of    7
28   10        flying in   13
29   10      in front of    0
30   10      in front of   13
31   11      coming from   12
32   11           behind   12
33   12      in front of   11
34   12      in front of   13
35   13           behind    5
36   13           behind   10
37   13           behind   12
38   13           behind    2
39   13           behind    9
40   15  to the right of    4
41   15  to the right of    3