What is the lid of the toilet made of?
The lid is made of wood.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of   13
2     0   to the left of    5
3     1  to the right of    7
4     2   to the left of   12
..  ...              ...  ...
67   16   to the left of    9
68   16   to the left of   10
69   16   to the left of    3
70   16  to the right of    4
71   16   to the left of   11

[72 rows x 3 columns]