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:       Look at this headline , Soo Mi . 
 Person2:Wow ! So many people in the United States get divorced ! 
 Person1:        Is it the same in Korea ? 
 Person2:I don't think so . In Korea some marriages break up , but most couples stay together . 
 Person1:        Do people get married young ? 
 Person2:Not really . Very few people get married beforethe age of 20 . 
 Person1:        Hmm . Do women usually work after they get married ? 
 Person2:No , a lot of women stay home and take care of their families . But some work . 

formal