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:       I just got laid off . The awful business , you know .  
 Person2:I ’ m very sorry to hear about that . So are you all right ?  
 Person1:        Yeah , I ’ m better after talking to you .  
 Person2:Oh , you poor thing ! 

informal