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 Jack . Are you excited about starting work ?  
 Person2:Yeah . I'm really looking forward to it .  
 Person1:        What was more exciting , starting college or starting work ?  
 Person2:They're pretty similar , but in different ways . I really can't decide . How about you ?  
 Person1:        For me , I think starting school was more exciting .  
 Person2:Does that mean work isn't that great ?  
 Person1:        It's different for everyone , but because I knew school was going to be so much fun , I really got excited about it .  
 Person2:But work is a huge portion of our lives . I'm looking forward to making it fun .  
 Person1:        That's a great attitude to have . I don't think you'll have any problems in the workforce .  
 Person2:I hope you're right . 

formal