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 want to change my job .  
 Person2:Why ?  
 Person1:        Well , I want to earn more .  
 Person2:I see .  
 Person1:        Not only that . The job I ’ m doing now is the most boring job you can imagine . 

formal