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:       Hi , Daisy !  
 Person2:Hi Simon . Nice to meet you again  
 Person1:        I hope you are Settling in at school !  
 Person2:I am ! I've made lots of friends and I really enjoy my courses .  
 Person1:        Good ! Me too ! By the way . you didn't tell me what you are studying here .  
 Person2:Didn't I ? I'm doing business studies .  
 Person1:        Really ? That's great . You hope to join a company after graduating ?  
 Person2:Maybe . My parents moved to Canada the year when I was born . We are living in Toronto . Suppose I might get a job in Toronto when I graduate . It's too soon to say really .  
 Person1:        What about your friend Zoe  
 Person2:She's from Australia . She lives in Sydney . Her father runs a hotel business there and she is doing a degree in accountancy .  
 Person1:        Accountancy ? Really ? She must be very good at figures .  
 Person2:I guess so . What about you , Simon ?  
 Person1:        I'm studying law .  
 Person2:Great ! So I'll know who to call if I ever need a lawyer .  
 Person1:        Sure , welcome anytime 

informal