What vehicle is in front of the window?
The vehicle is a car.
    src        edge_attr  dst
0     0      in front of    3
1     0  to the right of   10
2     0   to the left of    6
3     0   to the left of   13
4     0   to the left of    7
5     0   to the left of   11
6     1   to the left of   13
7     1  to the right of   10
8     1   to the left of    6
9     3   to the left of   12
10    3   to the left of    7
11    3   to the left of   13
12    4   to the left of   15
13    6  to the right of    0
14    6  to the right of    1
15    6   to the left of   14
16    7  to the right of   12
17    7  to the right of   10
18    7   to the left of   15
19    7  to the right of    3
20    7  to the right of    0
21    8               by   15
22    8   to the left of    9
23    9  to the right of    8
24   10   to the left of   13
25   10   to the left of   12
26   10   to the left of    1
27   10   to the left of    7
28   10   to the left of    0
29   11  to the right of    0
30   11  to the right of   12
31   11   to the left of   14
32   12  to the right of    3
33   12   to the left of   11
34   12   to the left of    7
35   12   to the left of   13
36   12  to the right of   10
37   12   to the left of   15
38   13  to the right of    1
39   13  to the right of    3
40   13  to the right of   10
41   13  to the right of   12
42   13   to the left of   14
43   13  to the right of    0
44   14  to the right of   13
45   14  to the right of   11
46   14  to the right of    6
47   15  to the right of    7
48   15  to the right of   12
49   15  to the right of    4