         Senténce 1: Unilever. Bestfoods said  Wednesday: it would, strip. trans fats from its 1  ‘Can’'t Believe: It.'s Not ‘Butter spreads by the  iniddle of next‘year .    Sentence 2: Unilevér: Bestfoods. said’ its. "1  Can it Believe It ‘g-Not Butter”! margarine  spreads will bé free of trans fat-by next year