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'.

Example input: Person1:      Hey man , you wanna buy some weed ?  
 Person2:Some what ?  
 Person 1:Weed ! You know ? Pot , Ganja , Mary Jane some chronic !  
 Person2: Oh , umm , no thanks . 
 Person1:      I also have blow if you prefer to do a few lines . 
 Person2: No , I am ok , really . 
 Person1:      Come on man ! I even got dope and acid ! Try some ! 
 Person2: Do you really have all of these drugs ? Where do you get them from ? 
 Person1:      I got my connections ! Just tell me what you want and I ’ ll even give you one ounce for free . 
 Person2: Sounds good ! Let ’ s see , I want . 
 Person1:      Yeah ?  
 Person2:I want you to put your hands behind your head ! You are under arrest ! 
Example output: informal
Example explanation: Based on the conversation, we can see that there is a presence of exclamation which is not present in a formal discussion. Therefore this is an informal conversation
Q:  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 . 
A:
formal