What is the bench which is to the left of the trashcan made of, wood or metal?
The bench is made of wood.
    src        edge_attr  dst
0     1   to the left of   16
1     1  to the right of   12
2     1  to the right of    2
3     2   to the left of    1
4     2  to the right of   17
..  ...              ...  ...
78   22   to the left of   23
79   23               of   20
80   23  to the right of   22
81   24  to the right of   18
82   25  to the right of   18

[83 rows x 3 columns]