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:       So , what ’ s new in the kitchen ? That refrigerator is new , isn ’ t it ?  
 Person2:Yes . I needed a large one . Before , I had a separate refrigerator and freezer , but this has both combined into one .  
 Person1:        That ’ s usual nowadays . You ’ Ve added a few shelves too .  
 Person2:Yes . You know I ’ Ve been cooking more kind of food recently and I needed some extra space for spices and ingredients .  
 Person1:        Did you buy new cupboards too ?  
 Person2:No , I didn ’ t . I gave them a really good clean , so they just look new . The worktop was in poor condition , so I had a new one added .  
 Person1:        I see that you have bought several new pots and pans and utensils .  
 Person2:Yes , I have . I need them to help me with these new dished I ’ m trying to make . I need a little more practice before I invite guests over .  
 Person1:        Looking at the spice rack , I ’ d say you ’ Ve been learning how to make asian food .  
 Person2:Yes . I ’ Ve always likes Indian and thai food , so I ’ Ve been trying to make dishes from those countries . I ’ m pretty good at making curries now , but I still need practice at making thai food .  
 Person1:        Both kinds of food are becoming popular.Nowadays , it ’ s very easy to pick up the ingredients at the supermarket .  
 Person2:I hope you can stay for dinner . I need a guinea pig ! 

formal