Are there airplanes in the picture?
Yes, there is an airplane.
    src        edge_attr  dst
0     0   to the left of   20
1     0  to the right of   21
2     0   to the left of   10
3     0   to the left of    8
4     0   to the left of   11
5     1   to the left of   19
6     1   to the left of    3
7     1   to the left of   11
8     2   to the left of   14
9     3  to the right of   18
10    3  to the right of   14
11    3  to the right of    1
12    3  to the right of   11
13    3  to the right of    8
14    5  to the right of   11
15    5  to the right of   14
16    5  to the right of   18
17    5               in   14
18    5  to the right of    8
19    7   to the left of   17
20    8   to the left of   19
21    8   to the left of   11
22    8   to the left of    5
23    8   to the left of    3
24    8  to the right of    0
25   10  to the right of    0
26   10   to the left of   11
27   10  to the right of   20
28   11   to the left of    3
29   11   to the left of    5
30   11  to the right of    8
31   11   to the left of   19
32   11  to the right of    0
33   11  to the right of   20
34   11  to the right of    1
35   11  to the right of   10
36   11  to the right of   18
37   14   to the left of    3
38   14  to the right of    2
39   14   to the left of   19
40   14   to the left of    5
41   17  to the right of    7
42   18   to the left of    5
43   18   to the left of    3
44   18   to the left of   19
45   18   to the left of   11
46   19  to the right of   14
47   19  to the right of   18
48   19  to the right of   11
49   19  to the right of    8
50   19  to the right of    1
51   20  to the right of    0
52   20   to the left of   11
53   20   to the left of   10
54   21   to the left of    0
55   22            using   21