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:       How many parking tickets have you gotten before ?  
 Person2:I've gotten a few parking tickets before .  
 Person1:        How many ?  
 Person2:Only about five or six .  
 Person1:        Have you paid off your parking tickets ?  
 Person2:Yes , I paid my fines .  
 Person1:        How much do you have to pay for the ticket ?  
 Person2:If I remember correctly , it's about $ 130 .  
 Person1:        That's a lot of money .  
 Person2:I got one the other day .  
 Person1:        Well , you better make sure you pay it off .  
 Person2:I may just go to the DMV today , so I can pay the fine . 

formal