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:       I like to stay here .  
 Person2:Why ?  
 Person1:        People are very kind down your way . You ’ re lucky .  
 Person2:Yes , do you always gather to welcome new comers ?  
 Person1:        Never .  
 Person2:Really ?  
 Person1:        Yeah . People down our way hardly speak to each other . 

informal