What vehicle is to the left of the people?
The vehicle is a car.
    src        edge_attr  dst
0     0   to the left of   16
1     0  to the right of    9
2     0  to the right of    4
3     0      standing on   19
4     1  to the right of   15
5     2   to the left of   10
6     3  to the right of    7
7     4  to the right of   15
8     4   to the left of    0
9     4   to the left of   16
10    4  to the right of    9
11    7   to the left of   12
12    7   to the left of    3
13    8  to the right of   12
14    9   to the left of   16
15    9   to the left of    4
16    9   to the left of    0
17    9  to the right of   15
18   10  to the right of    2
19   10   to the left of   16
20   11        on top of    3
21   11  to the right of   12
22   12   to the left of    8
23   12  to the right of    7
24   12   to the left of   11
25   15   to the left of    9
26   15   to the left of    1
27   15   to the left of    4
28   16  to the right of   20
29   16  to the right of    4
30   16  to the right of   10
31   16  to the right of    9
32   16  to the right of    0
33   18   to the left of   20
34   20   to the left of   16
35   20  to the right of   18
36   20        on top of   19