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:       I need to find a new place to live .  
 Person2:Yeah ? Why ? Don ’ t you like living with me ?  
 Person1:        Oh , it ’ s not you . I just want my own place .  
 Person2:Well , check the newspaper .  
 Person1:        Jeez ... I didn ’ t realize a single bedroom apartment went for so much these days .  
 Person2:Yeah , prices have really gone up the past couple of years .  
 Person1:        Oh , here ’ s one . It ’ s looks like its in this neighborhood , $ 600 a month . That ’ s not to bad .  
 Person2:No , it ’ s pretty good . Why not give the landlord a call ?  
 Person1:        Hello . I ’ m calling about the one bedroom in Lincoln Park . Could I take a look at it ? Yes . Tonight at six is fine . Thanks . 

informal