Where is the van?
The van is on the parking lot.
    src        edge_attr  dst
0     0               in   10
1     0   to the left of    6
2     0   to the left of    5
3     0  to the right of   13
4     0   to the left of   11
5     1   to the left of    2
6     1   to the left of   11
7     1  to the right of    9
8     1  to the right of   13
9     2  to the right of    6
10    2  to the right of    9
11    2               in   10
12    2  to the right of    1
13    2  to the right of    4
14    3   to the left of    6
15    4   to the left of    6
16    4               on   10
17    4               in   10
18    4   to the left of    7
19    4   to the left of    2
20    5  to the right of    0
21    6  to the right of   14
22    6  to the right of    3
23    6   to the left of    7
24    6  to the right of    4
25    6   to the left of    2
26    6  to the right of    0
27    6  to the right of    9
28    7  to the right of    6
29    7  to the right of    4
30    9   to the left of    1
31    9  to the right of   12
32    9   to the left of    2
33    9   to the left of    6
34   10  to the right of   12
35   11  to the right of    0
36   11  to the right of    1
37   12   to the left of    9
38   12   to the left of   10
39   13   to the left of    1
40   13   to the left of    0
41   14   to the left of    6
42   15               on   10
43   15               in   10