Which material makes up the street near the trees, cobblestone or stone?
The street is made of cobblestone.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    1
2     1   to the left of    0
3     1             near   18
4     1   to the left of    5
..  ...              ...  ...
89   20   to the left of   16
90   21   to the left of    8
91   21   to the left of   13
92   21   to the left of   14
93   21   to the left of    6

[94 rows x 3 columns]