Detailed Instructions: 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'.
Q: Person1: How do you think should I handle this problem ?
Person2:You'd just let sleeping dogs lie .
Person1: But I'm already in a lot of trouble with my boss .
Person2:Anything you say or do might make it worse . Just try to ride out the storm for a while .
Person1: She's always bothering me . What should I do ?
Person2:You'd better leave her alone .
Person1: But she always harps on me .
Person2:Just tell her off .
Person1: Yes , great !
A:
informal