Is the color of the curtain the same as that of the mattress?
Yes, both the curtain and the mattress are white.
    src        edge_attr  dst
0     0         lying on   17
1     0               on   17
2     1   to the left of    4
3     1   to the left of    2
4     2  to the right of   13
..  ...              ...  ...
61   17             near    6
62   17   to the left of    6
63   18   to the left of    6
64   18   to the left of   11
65   18   to the left of    7

[66 rows x 3 columns]