Sentence 1: Sal's cat died after ten years. 
 Sentence 3: Sal went to the pet store but on his way he heard noise in an alley 
 Sentence 4:  Looking in the alley, he found a skinny, filthy cat 
 Sentence 5:  Sal took the cat home and soon the two were best friends 
 Given Sentence 2: He mourned for a few weeks before deciding to get a new cat.