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 was the biggest turing point in your life ? 
 Person2:I usee I would say that would be moving out of my parents ’ house for the first time . 
 Person1:        Really ? Why is that ? 
 Person2:Till I moved out of my parents ’ home , I became a lot more independent . 
 Person1:        What would you say was the lowest point in your life ? 
 Person2:That would definitely be getting a divorce . 
 Person1:        What went wrong ? 
 Person2:We just weren't right for each other . 
 Person1:        How long were you married ? 
 Person2:The marriage only lasted about a year . 
 Person1:        Have you remarried since then ? 
 Person2:Yes , I got married to a man that I met shortly after I divorced my first husband . 
 Person1:        Do you think you'll ever get a divorce again ? 
 Person2:Oh I hope not , my first marriage was a mistake , but this one isn ’ t . 
 Person1:        How long have you been married ? 
 Person2:About 15 years now . 
 Person1:        Do you think you'll still love him when he is old and gray ? 
 Person2:I think so , hopefully we ’ ll have a long and a happy life together . 
 Person1:        I ’ m sure you will . 

informal