What is on the roll of paper towels?
The paper towels are on the roll.
    src        edge_attr  dst
0     0           inside   10
1     0             with   11
2     0             near    4
3     0               in   10
4     0          next to    4
..  ...              ...  ...
69   14   to the left of   15
70   15  to the right of    0
71   15               on    3
72   15  to the right of   12
73   15  to the right of   14

[74 rows x 3 columns]