Given the task definition and input, reply with output. 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:       Susan ? What brings you here today ?  
 Person2:Well , I ’ Ve got some papers due .  
 Person1:        Really ? So what ’ s the news ?  
 Person2:Not too good yet . Better than I was though . 

informal