Is the color of the wall different than the color of the chair?
No, both the wall and the chair are white.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    3
2     1            under    3
3     1               on   23
4     1        on top of   23
..  ...              ...  ...
62   22   to the left of    6
63   23  to the right of   24
64   23  to the right of   22
65   23  to the right of    2
66   24   to the left of   23

[67 rows x 3 columns]