Is there any food truck or taxi that is not orange?
No, there is a food truck but it is orange.
    src        edge_attr  dst
0     1   to the left of    9
1     1   to the left of   14
2     2  to the right of   12
3     2  to the right of    5
4     2  to the right of    7
5     2  to the right of   16
6     2   to the left of   14
7     4   to the left of   12
8     4   to the left of    8
9     4   to the left of    5
10    4   to the left of    7
11    5  to the right of    7
12    5  to the right of    4
13    5   to the left of    2
14    5               on    8
15    5   to the left of    9
16    6  to the right of   14
17    7   to the left of    2
18    7   to the left of   12
19    7   to the left of    8
20    7  to the right of    4
21    7   to the left of    5
22    8  to the right of    7
23    8  to the right of   16
24    8  to the right of    4
25    9  to the right of    5
26    9  to the right of    1
27    9  to the right of   15
28    9  to the right of   12
29   12   to the left of    9
30   12  to the right of    7
31   12   to the left of    2
32   12  to the right of    4
33   13   to the left of   15
34   14  to the right of    1
35   14  to the right of    2
36   14   to the left of    6
37   15   to the left of    9
38   15  to the right of   13
39   16   to the left of    8
40   16   to the left of    2