Sentence 1: New neighbors moved in next door to Mary with their 28 cats. 
 Sentence 3: All complaints were ignored and the new neighbors eventually divorced 
 Sentence 4:  The new neighbor's wife remained and a new man moved in with her 
 Sentence 5:  This new man was allergic to cats and the cats were removed 
 Given Sentence 2: She decided to petition for a change.