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:       Excuse me , Is there a hotel nearby ?  
 Person2:The nearest one is about ten minutes ' walk from here .  
 Person1:        how can I get there ?  
 Person2:just walk down this road and you'll find it . it's on the right side . 

formal