What is hanging from the plane that is on the ground?
The belt is hanging from the plane.
    src        edge_attr  dst
0     0  to the right of   11
1     2  to the right of   11
2     3  to the right of    4
3     3  to the right of    7
4     3  to the right of    9
5     3  to the right of   10
6     3  to the right of    5
7     3     hanging from   11
8     3  to the right of   12
9     4  to the right of    9
10    4   to the left of    5
11    4   to the left of   12
12    4   to the left of    3
13    5  to the right of   10
14    5  to the right of   12
15    5   to the left of    3
16    5  to the right of    4
17    5  to the right of    9
18    6               of   11
19    7  to the right of    9
20    7  to the right of   10
21    7  to the right of   12
22    7   to the left of    3
23    9   to the left of    5
24    9   to the left of    7
25    9   to the left of    3
26    9   to the left of   12
27    9   to the left of    4
28   10   to the left of    3
29   10   to the left of    5
30   10   to the left of    7
31   11               on    8
32   11   to the left of    0
33   11   to the left of    2
34   12   to the left of    5
35   12  to the right of    4
36   12   to the left of    3
37   12  to the right of    9
38   12   to the left of    7