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've heard so much about Japan . Is it a beautiful country ?  
 Person2:Not everyone thinks Japan is beautiful , but to me its beauty is breathtaking.You feel the same way about France , don't you ?  
 Person1:        Yes , I do feel the same way about France . The swift rivers , the fertile valleys , the large cities-its scenery is beautiful . Will you describe the geography of Japan ?  
 Person2:Well , it's made up of four large islands and many smaller islands located off the coast of the Asian main lands . France isn't an island , is it ?  
 Person1:        Oh , no , France isn't an island . It is located in the western part of the European continent . But France does have many fine harbors and port cities on its southern and western coasts . Does Japan have good harbors ?  
 Person2:Good harbors ! Yokohama is one of the most famous port cities in the world , and Japan is the largest shipbuilding nation in the world . Also , there are long mountain ranges in the southern is hands . France isn't very mountainous , is it ?  
 Person1:        No , France isn't very mountainous . But it does contain the Pyrenees , a large mountain range with high peaks and deep canyons . What kind of Climate does Japan have ?  
 Person2:The Japanese climate is warm and moist in the south , mild in the central part and cold in the north . Except for Hokkaido , we don't get much snowfall at all . France has a mild climate , doesn't it ?  
 Person1:        Yes , the climate of France rarely has severe winters . In southern France , one can live in comfort the whole year . Is Japan good for farming ?  
 Person2:Yes , Japan is good for farming . Rice is the main crop , but Japan is also an industrial center . Fishing is very important , too . Rice isn't grown in France , is it ?  
 Person1:        No , rice isn't grown in France . But farming , fishing and industry are also very important in France . I'd like to go to Japan some day . Would you like to visit France ?  
 Person2:Yes . I'd like to visit France . I'd like to travel all over the world . As you describe it , France seems to be very much like Japan . I would like to see it for myself . 

formal