Does the door have a different color than the stop sign?
Yes, the door is red and the stop sign is white.
    src       edge_attr  dst
0     0          behind    8
1     0          beside   12
2     0  to the left of    9
3     0  to the left of    5
4     0  to the left of   15
..  ...             ...  ...
77   16  to the left of    6
78   16  to the left of    2
79   16  to the left of    4
80   16  to the left of    5
81   16   hanging above    8

[82 rows x 3 columns]