sentences:  By way of illustration, an actress's obligation to perform the opening night of a theatrical production is a condition, whereas a singer's obligation to perform during the first three days of rehearsal is a warranty.Statute may also declare a term or nature of term to be a condition or warranty.For example, the "Sale of Goods Act" 1979 (UK) s15A provides that terms as to title, description, quality, and sample (as described in the Act) are conditions save in certain defined circumstances.