What is the name of the sign that is made of the same material as the streetlight?
The sign is a stop sign.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of    8
2     1  to the right of    2
3     1  to the right of    8
4     1  to the right of    3
..  ...              ...  ...
63   21   to the left of    8
64   21   to the left of   13
65   21   to the left of   14
66   22   to the left of   19
67   22  to the right of   21

[68 rows x 3 columns]