What is on the table?
The paper is on the table.
    src        edge_attr  dst
0     0   to the left of    2
1     1   to the left of    2
2     2  to the right of    1
3     2  to the right of    0
4     2  to the right of    5
5     2  to the right of    6
6     4               on    3
7     5   to the left of    2
8     5           beside    2
9     5          wearing    6
10    6   to the left of    2