Which material is the umbrella made of?
The umbrella is made of wood.
     src        edge_attr  dst
0      0  to the right of    8
1      0  to the right of    7
2      0  to the right of   22
3      0  to the right of   16
4      0  to the right of   10
..   ...              ...  ...
123   22  to the right of    5
124   22   to the left of    0
125   22               on    8
126   23  to the right of   13
127   23  to the right of   15

[128 rows x 3 columns]