Are there fences made of wood?
Yes, there is a fence that is made of wood.
     src        edge_attr  dst
0      0               on   16
1      0  to the right of   17
2      0   to the left of    3
3      0  to the right of   29
4      0   to the left of   28
..   ...              ...  ...
144   35   to the left of    3
145   35  to the right of   18
146   35  to the right of   22
147   35   to the left of   31
148   35  to the right of   29

[149 rows x 3 columns]