Where is the airplane?
The plane is in the sky.
    src        edge_attr  dst
0     0               on    7
1     0            below    2
2     0            below    1
3     1               in    4
4     1               by    3
5     2            above    7
6     2               in    4
7     2            below    3
8     2            above    0
9     3               in    4
10    3            above    2
11    3               at    7
12    5               of    2
13    5   to the left of    8
14    5   to the left of    6
15    6               of    2
16    6  to the right of    9
17    6  to the right of    5
18    8  to the right of    5
19    8               of    2
20    9   to the left of    6
21    9               of    2