Sentence 1: Everyone arrived at the party. 
 Sentence 3: A horse chariot was approaching the party 
 Sentence 4:  Elena was riding on top of the chariot 
 Sentence 5:  When she got out, everyone gave her a round of applause 
 Option 1: After they had a few minutes to get settled, an announcement was made. 
 Option 2: There started bursting crackers and balloons left in the air.