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:       I can't decide what I should do .  
 Person2:What's the problem ?  
 Person1:        Should I date Tom or should I date Harry ?  
 Person2:That's easy . If I were you , I'd date me ! 

formal