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:       Have you started your report yet ? 
 Person2:I'm having a hard time getting the information . 
 Person1:        It's easy . You only have to search the internet in order to get the information you're looking for . 
 Person2:Oh , I didn't think of that . 

formal