The vehicle on the street has what color?
The taxi is yellow.
    src        edge_attr  dst
0     0          wearing   19
1     0   to the left of    9
2     0  to the right of    8
3     0   to the left of   10
4     0  to the right of    1
5     0  to the right of    4
6     1   to the left of   19
7     1   to the left of   15
8     1  to the right of    8
9     1   to the left of    0
10    2  to the right of    3
11    3   to the left of    2
12    3   to the left of   16
13    3   to the left of    6
14    4  to the right of   13
15    4   to the left of   15
16    4   to the left of   19
17    4               on    5
18    4  to the right of    8
19    4   to the left of    0
20    5  to the right of    8
21    5  to the right of   13
22    6  to the right of    3
23    8   to the left of   19
24    8   to the left of   21
25    8   to the left of    5
26    8   to the left of    4
27    8   to the left of    1
28    8   to the left of    0
29    8   to the left of   14
30    9             with   10
31    9  to the right of    0
32    9  to the right of   11
33   10  to the right of    0
34   10  to the right of   11
35   11   to the left of   10
36   11   to the left of    9
37   12               on   13
38   13   to the left of    5
39   13   to the left of   14
40   13   to the left of   19
41   13   to the left of    4
42   14  to the right of   13
43   14  to the right of    8
44   15  to the right of   19
45   15  to the right of    4
46   15  to the right of    1
47   16  to the right of    3
48   16      in front of   22
49   17             near   18
50   18             near   17
51   19   to the left of   15
52   19  to the right of    8
53   19  to the right of   13
54   19  to the right of    1
55   19  to the right of    4
56   21               on   20
57   21  to the right of    8
58   22           behind   16