What is the cutting board made of?
The cutting board is made of wood.
    src        edge_attr  dst
0     0   to the left of   17
1     0  to the right of    7
2     0  to the right of    4
3     0  to the right of    3
4     0  to the right of    1
..  ...              ...  ...
66   17               of   13
67   17  to the right of    2
68   17  to the right of    0
69   18  to the right of   16
70   19  to the right of   16

[71 rows x 3 columns]