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:       Morning .  
 Person2:Hi there Mr . Anderson ! How are you on this fine morning ?  
 Person1:        Fine , thank you .  
 Person2:It sure is cold this morning , isn ’ t it ? I barely even get out of bed !  
 Person1:        Yeah . It ’ s pretty cold , alright .  
 Person2:Did you catch the news this morning ? I heard that there was a fire on Byron Street .  
 Person1:        No , I didn ’ t hear about that .  
 Person2:Did you happen to watch the football game last night ? The Patriots scored in the last minute !  
 Person1:        No , I don ’ t like football .  
 Person2:Oh . . . By the way , I saw you with your daughter at the office Christmas party . She is really beautiful !  
 Person1:        She ’ s my wife ! Oh , here ’ s my floor ! Nice talking to you . Goodbye .  
 Person2:Sir this is the 56th floor ! We are on the 70th !  
 Person1:        That ’ s okay , I ’ ll take the stairs ! 

informal