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:       Is there a lot of snow in this region at this time of the year ?  
 Person2:Yes , the snow is often falling thick and fast here .  
 Person1:        Well , I think I like it . I appreciate the snow very much .  
 Person2:Yes , It's really so beautiful with all the things covered by snow .  
 Person1:        By the way , where can I go ski ?  
 Person2:There are so many places around . Take a look at the advertisement . 

informal