What color is the door the sign is on?
The door is black.
    src        edge_attr  dst
0     1   to the left of   16
1     1   to the left of   14
2     1   to the left of   13
3     1   to the left of    4
4     1   to the left of    3
..  ...              ...  ...
77   17  to the right of   14
78   17  to the right of    4
79   17   to the left of    5
80   18               of    2
81   18   to the left of   12

[82 rows x 3 columns]