Are the trees behind a train?
No, the trees are behind the truck.
    src        edge_attr  dst
0     1   to the left of    6
1     1   to the left of    5
2     1   to the left of    4
3     2  to the right of    5
4     3   to the left of    7
5     3           behind   11
6     3   to the left of   11
7     4  to the right of    5
8     4  to the right of    1
9     4  to the right of    6
10    5   to the left of    4
11    5  to the right of    7
12    5  to the right of    1
13    5   to the left of    2
14    6  to the right of    1
15    6   to the left of    4
16    7  to the right of    3
17    7         stuck in    9
18    7   to the left of    5
19    9            below   11
20    9             near   11
21   10               on    9
22   10           behind   11
23   11            above    9
24   11               in    9
25   11      in front of   10
26   11               on    9
27   11  to the right of    3
28   11             near    9