What is the floor made of?
The floor is made of wood.
    src       edge_attr  dst
0     0  to the left of   13
1     1         wearing   19
2     1         holding   20
3     1         wearing   10
4     1         wearing   11
..  ...             ...  ...
64   21  to the left of   15
65   22  to the left of   15
66   22  to the left of   12
67   22  to the left of    5
68   22  to the left of    1

[69 rows x 3 columns]