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:       What are you doing here ? How about your resume now ?  
 Person2:I still have no idea what to do now .  
 Person1:        Don't act like this . Please have good thoughts in your mind . What's behind you ?  
 Person2:I could not agree with you more . But I feel worried about what to do next as soon as I begin to write my resume .  
 Person1:        There is no need to do like this . We can surf the net and find some templates for resume .  
 Person2:Sounds good . I will do it in a jiffy . OK ! Let's put our heads together .  
 Person1:        You said it . We can also find some helpful advice from some experts .  
 Person2:Terrific ! 
A:
informal