What sign is in front of the building?
The sign is a stop sign.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   14
2     0  to the right of    1
3     0  to the right of    9
4     0  to the right of    6
..  ...              ...  ...
59   15   to the left of    4
60   15   to the left of    9
61   15   to the left of    1
62   15   to the left of    6
63   15   to the left of   14

[64 rows x 3 columns]