Are both the shelf and the towel the same color?
Yes, both the shelf and the towel are white.
    src        edge_attr  dst
0     0           behind    3
1     0  to the right of   27
2     0   to the left of   26
3     0      standing in    1
4     0   to the left of   18
..  ...              ...  ...
70   27   to the left of   16
71   27   to the left of   13
72   27   to the left of   10
73   27   to the left of   19
74   27   to the left of   12

[75 rows x 3 columns]