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:       have you ever seen Bill Gate's home on the internet ?  
 Person2:no . what's it like ?  
 Person1:        it's got its own library , theatre , swimming pool , and a guest house . The house itself has about ten different rooms that are all hooked up to computers so you can get things done in each room through  
 Person2:would you want to live there ?  
 Person1:        I think his house is fantastic , but I wouldn't want to live there . You would have to hire one or two people to clean all the rooms in the house , plus a few people to take care of the gardens , and pro  
 Person2:what's your dreamhole like then ?  
 Person1:        my dream home is actually just a small cottage in a quite village in England .  
 Person2:would you want to buy an old cottage or build a new one yourself ?  
 Person1:        old homes are great because they've got character . I think that's important .  
 Person2:it that why you wear second-hand cloths as well ? Because they've got character ?  
 Person1:        no , that's just because I don't have enough money to buy new cloths all the time !  
 Person2:I see . If you lived in an old house , would it be decorated in a modern way ?  
 Person1:        no , I'd definitely try to restore it to its original state . I love to imagine what it'd be like to live in another time in history and living in a house decorated like it would have been 200 years a 

formal