Q: 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'.
 Person1:       Happy new year !  
 Person2:Thank you . Same to you .  
 Person1:        Have you got any plans ?  
 Person2:I've been invited over to a friend ’ s , and you ?  
 Person1:        My roommate ’ s having a party . 
A:
formal