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:       Do you like the apartment so far ?  
 Person2:I see a problem .  
 Person1:        What ’ s the problem ?  
 Person2:I noticed that the faucet in the kitchen is leaking .  
 Person1:        That ’ s no big deal .  
 Person2:It ’ s going to be a problem when my water bill comes .  
 Person1:        What do you want me to do about it ?  
 Person2:I would like you to fix the problem .  
 Person1:        I won ’ t be able to do that right now .  
 Person2:Well , I won ’ t be able to rent the apartment until the problem is fixed .  
 Person1:        Fine , I ’ ll have it fixed for you .  
 Person2:I ’ m happy that we ’ Ve come to an agreement . 

informal