What is the patio made of?
The patio is made of concrete.
     src        edge_attr  dst
0      0   to the left of   21
1      0   to the left of    7
2      0   to the left of    4
3      0   to the left of    3
4      0   to the left of   23
..   ...              ...  ...
134   23  to the right of   11
135   23       sitting by    5
136   24  to the right of    6
137   24  to the right of    9
138   24  to the right of    5

[139 rows x 3 columns]