What vehicle is old?
The vehicle is a van.
    src        edge_attr  dst
0     0   to the left of   11
1     3   to the left of   13
2     3               in    2
3     3   to the left of    5
4     4   to the left of    6
5     5               on    8
6     5   to the left of    8
7     5   to the left of   13
8     5  to the right of   12
9     5   to the left of    9
10    5  to the right of    3
11    6  to the right of    8
12    6  to the right of    4
13    7  to the right of   10
14    8   to the left of    6
15    8  to the right of    5
16    8  to the right of   12
17    8  to the right of   10
18    8   to the left of    9
19    8   to the left of   13
20    9  to the right of    5
21    9  to the right of    8
22   10   to the left of    7
23   10   to the left of   13
24   10   to the left of    8
25   11  to the right of    0
26   12   to the left of    8
27   12   to the left of    5
28   13  to the right of    5
29   13  to the right of    3
30   13  to the right of    8
31   13  to the right of   10