Which kind of sign is on the grass?
The sign is a stop sign.
     src        edge_attr  dst
0      0   to the left of    8
1      0   to the left of    7
2      0  to the right of    2
3      0  to the right of    1
4      0  to the right of    5
..   ...              ...  ...
105   20  to the right of    3
106   20  to the right of   19
107   20  to the right of    4
108   20  to the right of   13
109   20   to the left of   16

[110 rows x 3 columns]