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:       My parents are always saying I am not good enough .  
 Person2:Really . What do they mean ?  
 Person1:        They say my hair is too long , my room is too dirty and I am not good enough at school .  
 Person2:What do you think then ?  
 Person1:        I don ’ t think they are right . I have tried my best and that's enough . It is unfair that they are always saying these thing . Sometimes I even feel deeply hurt . 

informal