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:       Hi ! What are you watching ?  
 Person2:It ’ s a program about islam . It ’ s very interesting .  
 Person1:        Wow ! So many people ! Where are they and what are they doing ?  
 Person2:They are muslims on a pilgrimage to mecca . Muslims call this pilgrimage “ haj ” .  
 Person1:        Why do they go there ?  
 Person2:Muslims believe that every man who is able should go on a haj at least once in his life . Mecca is the spiritual centre of the muslim faith .  
 Person1:        When muslims pray , they face towards mecca .  
 Person2:That ’ s right . Unfortunately , so many people go on the haj each year that there are often stamped and people get killed .  
 Person1:        I heard about that . The pilgrims must walk around a large , sacred black stone .  
 Person2:That ’ s right . That ’ s when accidents often happen . The Saudi government tries to limit the number of pilgrims , to reduce the chances of accidents .  
 Person1:        Pilgrimages are common in many faiths .  
 Person2:Yes . In England , Christian pilgrims might go to Canterbury and many Christians go to the Vatican on pilgrimages .  
 Person1:        Isn ’ t there a place in france where people go to get healed ?  
 Person2:I think that place is Lourdes . There are many stories of people being healed after visiting there .  
 Person1:        Do you think that there is something magical about that place ?  
 Person2:Personally . I think that people believe they will be healed and that faith causes a change in their mind that cures them . I don ’ t think place is magical in any way . 

formal