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:       It is high time you have a talk with him . That may help clear the mists .  
 Person2:I did , but he gives me a runaround .  
 Person1:        If I were you , I would put the whole matter on the table .  
 Person2:But he was trying to beat about the bush . And my talk with him was fruitless . 

informal