Are there any trash cans on the floor?
No, there is a can on the floor.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    2
2     1               on   29
3     1   to the left of   13
4     1  to the right of    2
..  ...              ...  ...
73   28  sitting next to   18
74   28  to the right of   24
75   29  to the right of    2
76   30  to the right of    4
77   31               on   29

[78 rows x 3 columns]