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:       Have you heard that we will have reorganization ?  
 Person2:No , really ?  
 Person1:        Yes , flexible , aggressive and creative people are urgently needed in the marketing department .  
 Person2:Who will be there ?  
 Person1:        James is going to be packed off there .  
 Person2:That is good . He can leave you alone this time . 

informal