Sentence 1: Emily is on a budget with both her time and money today. 
 Sentence 3: Or, she could go to Wal-Mart, which provides lower prices 
 Sentence 4:  Her budget on money is tighter than her budget on time 
 Sentence 5:  Emily decides to score some deals at Wal-Mart and do the self-checkout 
 Given Sentence 2: Suddenly her stomach began to hurt.