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:       Han Maimed , What's your plan for the weekend ?  
 Person2:I plan to travel around Harvard University and know more about it . To tell you the truth , I plan to apply for Harvard after graduation from high school . It ’ s better to get to know it . What about you ?  
 Person1:        I get together with my Christian brothers on Saturdays .  
 Person2:Oh , my God ! John , I didn ’ t know you are religious . You just look like a scientific kook , like Leonard in the Big Bang Theory .  
 Person1:        Come on , Han Maimed , don ’ t make a fuss . A lot of Americans , including many scientists , believe in religion .  
 Person2:But I ’ m really surprised . I thought science and religion are not compatible , are they ?  
 Person1:        Yes , they are compatible . Actually , the U . S . is both the most developed and the most religious country in the world .  
 Person2:I've heard about it a little bit before , but I don ’ t understand . How can people believe in God since they know God doesn't exist ?  
 Person1:        That ’ s a little complicated . You ’ ll get to know it when you are acquainted with the U . S . history later on . Religion was and is a part of American people ’ s life . Guess what ? Even Harvard University , which is a highly academic institution , is in a sense the product of religion .  
 Person2:Really ?  
 Person1:        Absolutely ! It was founded by a group of Puritan immigrants from England .  
 Person2:Why was it founded by the Puritans ? Where were the atheistic educators ?  
 Person1:        Because most of the first English immigrants who came to the United States were Puritans .  
 Person2:How come ? I mean why most of them were religious people ?  
 Person1:        That ’ s because in the 16th and 17th century , there was a series of religious reforms in England . Many religious separatists were persecuted and fled to other countries .  
 Person2:So , you mean people didn't enjoy religious freedom in England ?  
 Person1:        Yes , that's why Puritans moved to the New World , where they believed they could establish a heaven for Puritans . Later on , it was these Puritans who founded Harvard College .  
 Person2:Why did they want to found a college ?  
 Person1:        Many Puritans had received classic style of higher education in Oxford University and Cambridge University back in England . They hoped that their descendants could receive this kind of education as well .  
 Person2:Oh , I see .  
 Person1:        Actually Harvard was first named ' New College ' , without a formal name .  
 Person2:When did it begin to be called Harvard University ?  
 Person1:        In 1639 , it was renamed after its major benefactor John Harvard . Interestingly , JohnHarvard himself was a clergyman .  
 Person2:It seems that Harvard was predestined to be influenced by religion .  
 Person1:        Therefore , it ’ s not exaggerate to claim that had there not been religion , there would note Harvard .  
 Person2:Wow , I didn ’ t know that religion had played such an important role in Harvard history .  
 Person1:        Religion has been playing an indispensible part in Harvard history as well as the U . S .  
 Person2:I finally begin to get to know Harvard . It seems that my knowledge of Harvard is rather poor . I have a lot work to do before applying for Harvard .  
 Person1:        Remember that Harvard is a part of the United States . So you have to know the U . S . history and culture if you want to have in-depth knowledge of Harvard . The two are closely related .  
 Person2:That ’ s right . I have a lot to learn from you .  
 Person1:        You can ask me any question at any time . 

informal