Sentence 1: Paul had a long day of work so he went to the bar. 
 Sentence 3: By the time he got his bill, it was over $100 
 Sentence 4:  Paul shrugged it off and paid it 
 Sentence 5:  The bartender told him to come back any time 
 Option 1: At the bar, he had a shot and a beer. 
 Option 2: At the bar he drank more than he expected.