What is the bench made of?
The bench is made of wood.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of   19
2     0  to the right of   10
3     1  to the right of   16
4     1   to the left of    8
..  ...              ...  ...
69   19   to the left of   13
70   19   to the left of    8
71   19   to the left of    0
72   20   to the left of   17
73   20               on   15

[74 rows x 3 columns]