Sentence 1: There was a boy in a choir who was very rude. 
 Sentence 3: The Director asked him if he would like to come up front 
 Sentence 4:  It was not as easy to lead a choir as he had thought 
 Sentence 5:  The boy was more subdued when he went back to his seat 
 Given Sentence 2: He constantly talked while the Director was speaking.