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 was thinking about applying for the new position .  
 Person2:Do you think that is a good idea ?  
 Person1:        It seems like a good idea but I am not really sure .  
 Person2:What are your main concerns ?  
 Person1:        Well , it would give me a chance to grow , but I am wondering if I would like the job .  
 Person2:I know what you mean , I've thought about that myself .  
 Person1:        I am also thinking about the pay .  
 Person2:Could you take a slight pay decrease for a chance to move forward ?  
 Person1:        Yes , it might be worth it . I am not certain .  
 Person2:I think I'm convinced that trying for this position is the best choice for you . 

formal