What is on the table?
The flowers are on the table.
    src        edge_attr  dst
0     0               on    1
1     0  to the right of    4
2     0               in    2
3     0            above    1
4     0  to the right of    2
5     1          beneath    0
6     1   to the left of    4
7     1   to the left of    2
8     2   to the left of    0
9     2  to the right of    1
10    4   to the left of    0
11    4  to the right of    1