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:       What ’ s the matter , dear ?  
 Person2:Something awful happened . We went to the Portobello Road , and someone stole my handbag .  
 Person1:        Oh , dear . Did you lose a lot of money ?  
 Person2:No . Only a few pounds . But my passport was in the bag . That ’ what I ’ m really worry about .  
 Person1:        You must tell the embassy about it . And I think they ’ ll issue you with a new one .  
 Person2:I ’ d better go tomorrow .  
 Person1:        No . But you mustn ’ t leave it too long . Did you report it the police ? 

informal