What is the plane in?
The plane is in the air.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    4
2     0  to the right of    6
3     0  to the right of   10
4     1  to the right of    9
5     2   to the left of    4
6     3   to the left of    4
7     4   to the left of    0
8     4   to the left of    8
9     4  to the right of    3
10    4   to the left of   10
11    4   to the left of    6
12    4  to the right of    2
13    5               in    7
14    5      in front of    6
15    5           behind    9
16    6   to the left of    0
17    6           behind    5
18    6  to the right of    8
19    6  to the right of   10
20    6  to the right of    4
21    8   to the left of    6
22    8   to the left of    0
23    8  to the right of    4
24    9   to the left of    1
25   10   to the left of    6
26   10  to the right of    4
27   10   to the left of    0