Sentence 1: Amy's sister took her shopping on Rodeo Drive. 
 Sentence 3: The cashier talked on the phone with her back turned to Amy 
 Sentence 4:  Amy waited patiently 5 minutes to pay for her purchase 
 Sentence 5:  Finally she simply left the purse on the counter and left baffled 
 Option 1: Amy didn't have enough money for the purse she wanted. 
 Option 2: In a swanky store Amy spotted a purse she wanted to purchase.