What is on the platter?
The sandwiches are on the platter.
    src        edge_attr  dst
0     0   to the left of    4
1     1   to the left of    2
2     1   to the left of    4
3     2  to the right of    1
4     3            under    4
5     3            below    4
6     4               on    3
7     4             with    1
8     4            above    3
9     4  to the right of    1
10    4  to the right of    0