Do the wall and the poster have the same color?
Yes, both the wall and the poster are white.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of   18
2     0  to the right of   11
3     0   to the left of    5
4     0  to the right of   10
..  ...              ...  ...
66   20   to the left of    6
67   20   to the left of   14
68   20               on   12
69   20   to the left of    1
70   20        on top of   12

[71 rows x 3 columns]