Sentence 1: My friends and I went out for New Year's Eve. 
 Sentence 3: We also drank a lot 
 Sentence 4:  One friend bought rounds but realized he didn't have any money 
 Sentence 5:  I had to cover the entire tab which was 500 dollars 
 Option 1: We went to a crowded bar and danced, then paid our tabs and went home. 
 Option 2: We went to a crowded bar and danced for hours.