Sentence 1: Everyone walked into the front of the stage. 
 Sentence 3: Since she was taking a long time to get dressed, we had to eat 
 Sentence 4:  The audience started to shout at us 
 Sentence 5:  One individual decided to get up and throw a tomato at us 
 Option 1: We were there when Nancy appeared. 
 Option 2: We were waiting on Nancy to appear.