What is this airplane in front of?
The airplane is in front of the shrub.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     1  to the right of   17
3     2             near    6
4     3           behind   19
5     4           behind   19
6     4   to the left of    5
7     5   to the left of    7
8     5           behind   19
9     5   to the left of   13
10    5  to the right of    4
11    6             near    2
12    7           behind   19
13    7  to the right of    5
14    7  to the right of   19
15    8   to the left of   18
16    8  to the right of   15
17    8  to the right of   11
18    9   to the left of   18
19   11   to the left of    8
20   11   to the left of   18
21   11  to the right of   15
22   12               in    6
23   13           behind   19
24   13  to the right of   19
25   13   to the left of   14
26   13  to the right of    5
27   14  to the right of   13
28   14           behind   19
29   14  to the right of   19
30   15   to the left of    8
31   15   to the left of   11
32   15   to the left of   18
33   16  to the right of   18
34   17   to the left of    1
35   18  to the right of   11
36   18  to the right of   15
37   18   to the left of   16
38   18  to the right of    8
39   18  to the right of    9
40   19      in front of   14
41   19      in front of    7
42   19      in front of   13
43   19      in front of    5
44   19               on    2
45   19      in front of    4
46   19   to the left of   14
47   19   to the left of   13
48   19   to the left of    7