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:       If you can choose , will you marry a foreigner or a Chinese ? 
 Person2:Why ? Did tom pop the question ? 
 Person1:        Not yet . But I wonder if I can get my parents ’ consent . 
 Person2:Let me guess , your parents want you to marry a Chinese man , right ? 
 Person1:        You are right . It is giving me a real headache . I feel like I ’ m between a rock and a hard place . 
 Person2:I used to have the same problem when I was with my ex . 
 Person1:        Oh , how did you deal with it ? 
 Person2:I just let it go and continued dating with my Korean boyfriend . But finally we broke up . 
 Person1:        Oh , it ’ s a pity . What was the matter ? 
 Person2:Simple . We had personality clashes and there were too many cultural differences . 
 Person1:        Like what ? 
 Person2:He hoped to live in the Korean way and asked me to give up working and stay at home to take care of the family . 
 Person1:        Oh , I see . In their culture women should put family first . 
 Person2:Yes , he said it would be better for me and for the whole family . But I simply can not quit working . 
 Person1:        So that's why it ’ s hard to have a happy marriage with a foreigner . 
 Person2:Not really . There are many successful mixed marriage around us . 

informal