What's in front of the sign?
The cart is in front of the sign.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    8
2     0   to the left of   16
3     0  to the right of   11
4     0   to the left of    3
..  ...              ...  ...
59   17             near    7
60   18   to the left of    3
61   18  to the right of   11
62   18  to the right of    6
63   18   to the left of   16

[64 rows x 3 columns]