Sentence 1: Edith wanted to buy a new pair of earrings. 
 Sentence 3: She browsed through a jewelry catalog for different options 
 Sentence 4:  She found a pair of gold hoop earrings 
 Sentence 5:  Edith placed the order for the gold hoop earrings 
 Given Sentence 2: We couldn't figure out what it was from.