Sentence 1: Jack was attending the performance of a play in his small town. 
 Sentence 3: There was a party after the play for the performers 
 Sentence 4:  Jack's friend invited him to the party 
 Sentence 5:  Jack spent the night partying with the cast 
 Option 1: Jack's friend was the lead actor in the play. 
 Option 2: Jack's friend was going to see the play.