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 heard a rumor this morning ... It seems Trusten Tools is going out of business.Another competitor is going bankrupt.That could be good news for us .  
 Person2:I think you must have heard wrong.The truth is we are going to be taken over by Trusten.We are being bought out , and our company will be merging with our largest competitor.It ' s not good news at all ...  
 Person1:        What ? We are merging with Trusten ? I never thought that would happen.Will we be getting new owners ? Will it affect our jobs ?  
 Person2:Probably.The new owners will be coming to start alignment meetings nextweek.One of the big question is what to call the new conglomerate company .  
 Person1:        Wow , with such a big change.We won't have the same name ?  
 Person2:It's not only the name of our company that will change ... I expect that after this acquisition , there'll be a ton of things up in the air . 

informal