Is this a fire truck or a tractor?
This is a fire truck.
    src        edge_attr  dst
0     0   to the left of   17
1     0  to the right of   14
2     0           behind    3
3     1   to the left of   20
4     1   to the left of    7
5     1   to the left of   18
6     1   to the left of   10
7     1   to the left of    8
8     1   to the left of   11
9     1   to the left of   13
10    3      in front of   17
11    3      in front of    0
12    3   to the left of   17
13    3   to the left of   11
14    4   to the left of   15
15    6           behind    9
16    7  to the right of    1
17    8  to the right of    1
18    9  to the right of   16
19    9      in front of    6
20   10  to the right of    1
21   10   to the left of   20
22   10   to the left of   18
23   10   to the left of   13
24   11           behind   18
25   11  to the right of   14
26   11  to the right of    3
27   11  to the right of    1
28   12            below   16
29   13  to the right of   10
30   13  to the right of    1
31   14   to the left of   11
32   14   to the left of    0
33   14  to the right of   16
34   14   to the left of   17
35   15  to the right of    4
36   16   to the left of    9
37   16   to the left of   14
38   16            above   12
39   16  to the right of   19
40   17        parked on    2
41   17           behind    3
42   17  to the right of    3
43   17  to the right of    0
44   17  to the right of   14
45   18          wearing    7
46   18      standing in    2
47   18          wearing   13
48   18  to the right of   10
49   18      in front of   11
50   18          wearing   20
51   18  to the right of    1
52   19   to the left of   16
53   20  to the right of   10
54   20  to the right of    1