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:       I am here to tell you that the clothes are very much to taste of our market and the customers are quite satisfied with the excellent quality .  
 Person2:We are very glad to hear that . We are sure that there will be a bigger market for our products in this country .  
 Person1:        Well , we have an extensive sales organization and a thorough knowledge of Asian market . Your products would sell very well here . We are prepared to do more business with you . We are also interested in handing a sole agent for you .  
 Person2:We really appreciate your efforts . Before we go to the core of matter , can you give us some idea of them on which you would be willing to operate as our agent ?  
 Person1:        No problem . 

informal