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:       Where are you going ?  
 Person2:I have to go to work .  
 Person1:        Going to work where ?  
 Person2:I ’ m working at the polling place .  
 Person1:        I didn ’ t know you were working there this year .  
 Person2:I work at the polling place every year .  
 Person1:        How did you get that job ?  
 Person2:I signed up for it online .  
 Person1:        That ’ s really cool .  
 Person2:It ’ s a very cool job .  
 Person1:        Do they pay you a lot ?  
 Person2:They pay well enough . 

informal