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:       Rachel ? This is John Emory speaking .  
 Person2:Yes , Mr . Emory ?  
 Person1:        I ’ Ve got some bad news . All the plans sent over to the McGrath Corporation have been rejected . We ’ re going to have to start from scratch .  
 Person2:I thought they had already agreed to everything . That ’ s going to take weeks to rework . 

informal