What is the menu on?
The menu is on the food truck.
    src        edge_attr  dst
0     0               on    9
1     0   to the left of    6
2     0   to the left of   13
3     0   to the left of   14
4     0   to the left of   15
5     0   to the left of    1
6     1   to the left of    7
7     1   to the left of    5
8     1  to the right of    0
9     3  to the right of    9
10    3  to the right of   12
11    3  to the right of   13
12    4               on    2
13    5  to the right of    1
14    5               on    2
15    6  to the right of    0
16    6   to the left of    7
17    7  to the right of   14
18    7  to the right of   13
19    7  to the right of    8
20    7  to the right of    6
21    7  to the right of    1
22    8   to the left of    7
23    9   to the left of    3
24   10               of   12
25   10  to the right of   11
26   11   to the left of   10
27   12  to the right of   13
28   12           facing    9
29   12   to the left of    3
30   13   to the left of   12
31   13  to the right of   15
32   13   to the left of    3
33   13   to the left of    7
34   13  to the right of    0
35   14               on   13
36   14  to the right of   15
37   14  to the right of    0
38   14   to the left of    7
39   15   to the left of   13
40   15  to the right of    0
41   15   to the left of   14