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:       Who finances the magazine ?  
 Person2:I don't know exactly . I only hear it's financed by a famous film star .  
 Person1:        Does it have a large circulation ?  
 Person2:Yes , so it really doesn't matter who offers the money.The paper itself is profitable . 

formal