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:       How's your new work , Carl ?  
 Person2:A tough job . They even offer in-service training every Wednesday afternoon .  
 Person1:        Good for you .  
 Person2:I don't like it . I am not used to this kind of 9 to 5 work hours . Above all , I hate talking to those poker faces everyday .  
 Person1:        Well , you have to take the bad with the good .  
 Person2:I guess so . I am badly off and I need this job . 

formal