Which color is the car that the street is full of?
The car is blue.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    4
2     1             near   12
3     2               on   12
4     2  to the right of   14
5     2  to the right of    6
6     2   to the left of    4
7     2   to the left of   12
8     2   to the left of    3
9     3  to the right of   12
10    3  to the right of   14
11    3               on   12
12    3  to the right of    2
13    3   to the left of    0
14    3   to the left of    4
15    4  to the right of   12
16    4   to the left of    0
17    4  to the right of    3
18    4  to the right of    2
19    5  to the right of   16
20    5  to the right of    9
21    6   to the left of    2
22    6   to the left of   17
23    6   to the left of   14
24    7               by    0
25    8               by   12
26    8   to the left of   14
27    9  to the right of   16
28    9   to the left of    5
29   10   to the left of   16
30   11   to the left of   13
31   12   to the left of    3
32   12   to the left of    4
33   12            below   16
34   12  to the right of    2
35   12             near    1
36   12          full of    2
37   12  to the right of   14
38   13               in   11
39   13  to the right of   11
40   14   to the left of    3
41   14  to the right of    6
42   14   to the left of    2
43   14  to the right of    8
44   14   to the left of   12
45   15               by   12
46   15   to the left of   17
47   16     hanging from   10
48   16   to the left of    5
49   16  to the right of   10
50   16   to the left of    9
51   17  to the right of    6
52   17  to the right of   15