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1)Richie's house isn't as comfortable as George and Marlene's    George and Marlen's  comforatbale than Richi's house 2)Detroit isn't as sunny as Cancun    Cancun's sunnier than Detroit 3)Marlene's house isn't us interesting as Richie's island    Richie's island interesting than Marlene's house 4)Cancun isnt't us noisy as Detroit    Detroit noisier than Detroit