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:       Jane is going to quit her job in the bank .  
 Person2:You must be joking . The job is nice and she is well paid .  
 Person1:        It's true , but she says she is tired of counting others ' money . 

informal