Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Did you watch the old-fashioned wrestling game last night ?  
 Person2:Yes , of course . And I'm amazed the those karate and judo boys were so helpless before the wrestlers .  
 Person1:        You bet . The wrestlers had got sound defences and they simply couldn't make it . 

informal