Are there any jets at the airport?
Yes, there is a jet at the airport.
    src        edge_attr  dst
0     0               of   15
1     0   to the left of    5
2     0   to the left of   16
3     0  to the right of    8
4     5               of   15
5     5  to the right of    0
6     5  to the right of   16
7     5  to the right of    8
8     7  to the right of   16
9     8   to the left of    5
10    8   to the left of    0
11   15        parked at    1
12   15               on    1
13   15               at   14
14   16   to the left of    7
15   16   to the left of    5
16   16  to the right of    0