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:       Jim , how was your weekend ?  
 Person2:I went to the beach with my friends and had a barbecue there .  
 Person1:        That sounds like a lot of fun . Did you go swimming , too ?  
 Person2:Sure . I think it ’ s a fantastic place to go .  
 Person1:        I couldn ’ t agree more . That ’ s an ideal place for a vacation .  
 Person2:It sure is .  
 Person1:        I can ’ t wait to go there myself . 

informal