What is on the table?
The glass is on the table.
    src        edge_attr  dst
0     0   to the left of    4
1     1  to the right of    2
2     1  to the right of   10
3     1  to the right of    7
4     2   to the left of    4
..  ...              ...  ...
64   21               on   22
65   21   to the left of   18
66   21   to the left of   11
67   22   to the left of   11
68   22   to the left of   18

[69 rows x 3 columns]