Sentence 1: Sara went to a concert with her friends. 
 Sentence 3: They stood on chairs to see the stage 
 Sentence 4:  The ushers told them to get down 
 Sentence 5:  Sara was disappointed that they could not see the stage well 
 Option 1: They had good tickets but there were many tall people in front. 
 Option 2: They had front row tickets.