Premise: A member of the Chan family usually gives guided tours of the house, which last about 45 minutes, and will point out its finer points the silks, filigree, silver ornaments, gleaming blackwood furniture inlaid with ivory or mother-of-pearl, and monumental gilded teak staircase leading to the bedrooms on the upper floor.

Hypothesis: The unimpressive house is not open to the public.
Relation: contradiction