Are there either bird cages or mattresses?
No, there are no bird cages or mattresses.
    src       edge_attr  dst
0     0         wearing    6
1     0  to the left of   11
2     0  to the left of    4
3     0  to the left of   18
4     0  to the left of   17
..  ...             ...  ...
61   21  to the left of   17
62   21  to the left of   19
63   21  to the left of   11
64   22  to the left of   10
65   22  to the left of   13

[66 rows x 3 columns]