What is in front of the white vehicle?
The jet is in front of the van.
    src        edge_attr  dst
0     0           behind    1
1     1             near    2
2     1            above    2
3     1               on    3
4     1      in front of    0
5     1            above    9
6     2          next to    1
7     2            under    1
8     2               on    3
9     2             near    1
10    2           behind    7
11    2         watching    1
12    6  to the right of   11
13    7      in front of    2
14    7   to the left of    9
15    8               in    4
16    9  to the right of    7
17   11   to the left of    6