Do you see trucks or airplanes that are blue?
Yes, the airplane is blue.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    4
2     1   to the left of    7
3     3  to the right of    8
4     4  to the right of    8
5     4  to the right of    0
6     7  to the right of    1
7     8           behind   11
8     8   to the left of   10
9     8   to the left of    9
10    8   to the left of    0
11    8   to the left of   13
12    8   to the left of   12
13    8   to the left of    4
14    8   to the left of    3
15    9               in    6
16    9      in front of   10
17    9  to the right of    8
18   10           behind    9
19   10  to the right of    8
20   11               in    6
21   11      in front of    8
22   12  to the right of    8
23   13  to the right of    8