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