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:       Hey Ted , I saw this ad in the paper . You should take a look .  
 Person2:What is it ?  
 Person1:        It ’ s for a job . It looks perfect for you .  
 Person2:Let ’ s see ... ' Wanted , manager for up-and-coming firm . Must have good organizational skills . Experience a plus . Please contact Betty Sue . ' Oh , I don ’ t know ...  
 Person1:        Come on , what have you got to lose ?  
 Person2:What about my resume ?  
 Person1:        Here , I'll help you type one up .  
 Person2:Thanks , Mary . You ’ re a real pal . I'll call now to set up an interview . 

informal