Are there any airplanes?
No, there are no airplanes.
    src        edge_attr  dst
0     0  to the right of   36
1     0  to the right of   27
2     0  to the right of    5
3     0  to the right of    4
4     0  to the right of   26
..  ...              ...  ...
79   33   to the left of    2
80   34   to the left of   21
81   34   to the left of   10
82   35   to the left of   15
83   36   to the left of    0

[84 rows x 3 columns]