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:       Where are you from ?  
 Person2:I'm from Germany .  
 Person1:        So you speak German , don't you ?  
 Person2:Yeah , but I can speak English , too .  
 Person1:        Oh , I see . What other languages can you speak ?  
 Person2:A little French .  
 Person1:        Good . 

informal