Is the blue car in front or behind the tree which is behind the boy?
The car is behind the tree.
    src        edge_attr  dst
0     0  to the right of    8
1     1  to the right of    8
2     1   to the left of   18
3     2           behind   21
4     2   to the left of   12
5     2   to the left of    7
6     2   to the left of   15
7     2   to the left of   14
8     2   to the left of    6
9     2   to the left of   16
10    3   to the left of   19
11    3   to the left of   18
12    4           behind   13
13    4   to the left of    9
14    4   to the left of   10
15    6  to the right of    2
16    6   to the left of   15
17    6   to the left of   12
18    6  to the right of   17
19    7  to the right of    2
20    8   to the left of    1
21    8   to the left of    0
22    9  to the right of    4
23    9           behind   13
24    9   to the left of   10
25   10  to the right of    4
26   10  to the right of    9
27   12  to the right of    2
28   12  to the right of    6
29   12  to the right of   16
30   13           behind   21
31   13      in front of    9
32   13      in front of    4
33   14  to the right of    2
34   15  to the right of    2
35   15  to the right of    6
36   16   to the left of   12
37   16  to the right of    2
38   17   to the left of    6
39   18  to the right of    1
40   18  to the right of    3
41   19  to the right of    3
42   21               on    6
43   21          wearing    3
44   21      in front of   13
45   21      in front of    2