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:       Okay , can I ask you something direct ?  
 Person2:Ha ! It's not like you've ever been one to beat around the bush .  
 Person1:        Fair enough . Give it to me straight . Did she bully you into this ?  
 Person2:No , seriously . . . I really want this .  
 Person1:        I tell ya , when I got the invite , it really threw me for a loop . You've done a complete 180 .  
 Person2:I know . But things have changed . I guess I've settled down .  
 Person1:        I guess so . 

formal