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:       Well , I am a regular member of this club .  
 Person2:Do you have to pay to join ?  
 Person1:        Yes , membership fees vary depending on the club but usually they run into tens of thousands of dollars .  
 Person2:Wow , that much ? Don't they have any public courses ?  
 Person1:        Very few , unfortunately .  
 Person2:How was your game today ?  
 Person1:        Extremely good . I shot a 78 , including 5 birdies !  
 Person2:Congratulations ! What's your normal handicap ?  
 Person1:        Ten . How did your game go ?  
 Person2:My drives were terrible today . I kept slicing the ball into the roughs and sand traps .  
 Person1:        Maybe you can correct it by going to a driving range before you play again . 

informal