Sentence 1: Brian was playing with his video games just after his friend had left. 
 Sentence 3: After a long search he became suspicious of his friend 
 Sentence 4:  Right then, his friend arrived at his house to confess and apologize 
 Sentence 5:  Brian was angry but he forgave his friend 
 Given Sentence 2: He challenged one boy to fight after school every day.