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:       What are you going to do for your year abroad , Tim ?  
 Person2:Study study study ! I want to learn a lot .  
 Person1:        You ’ re going to take courses ?  
 Person2:Yes , I ’ m going to take some university courses there .  
 Person1:        Sounds hard .  
 Person2:Yes , but I think it ’ s probably for the best .  
 Person1:        Won ’ t you get lonely ?  
 Person2:Hey , I ’ m a pretty cool guy ; I ’ ll make friends . And I ’ ll have a lot of extra-curricular activities too . You know , like fencing or theater or something . 

formal