Three towns are famous for their  Bangalore, for its classic printed silk; Varanasi, for its gold and silver brocades; and Kanchipuram, for its heavy, brilliantly colored silk, favored for formal saris.
All of the silk produced in Kanchipuram is brightly colored and very heavy. 
mnli hypothesis: All of the silk produced in Kanchipuram is brightly colored and very heavy.  premise: Three towns are famous for their  Bangalore, for its classic printed silk; Varanasi, for its gold and silver brocades; and Kanchipuram, for its heavy, brilliantly colored silk, favored for formal saris.