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:       Please take a seat .  
 Person2:Thanks .  
 Person1:        Now what can I do for you ?  
 Person2:Well , I'm looking for a job .  
 Person1:        Fine , but first I need some information about you .  
 Person2:What kind of information do you want ?  
 Person1:        Well , first of all , your name.What ' s your surname ?  
 Person2:Wilson .  
 Person1:        And your other names ?  
 Person2:Steven Michael .  
 Person1:        Have you got your e-mail address ?  
 Person2:Yes , It's Henrylee@yahoo.com .  
 Person1:        How old are you ?  
 Person2:Twenty-one .  
 Person1:        Where were you Bron ?  
 Person2:In California . 

formal