Where is the airplane?
The airplane is in the sky.
    src        edge_attr  dst
0     0  to the right of    8
1     1  to the right of    3
2     1  to the right of   12
3     3   to the left of    1
4     4               in    2
5     4   to the left of    5
6     5  to the right of    4
7     6   to the left of   11
8     6            above    1
9     6               in    2
10    7               in    2
11    8   to the left of    0
12    9               in   10
13    9   to the left of   14
14    9   to the left of   15
15   11  to the right of    6
16   11  to the right of   13
17   11  to the right of   12
18   11  to the right of   15
19   12   to the left of   11
20   12   to the left of    1
21   13   to the left of   11
22   14  to the right of    9
23   14   to the left of   15
24   15   to the left of   11
25   15  to the right of   14
26   15  to the right of    9