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:       Hello ?  
 Person2:Hi , Randy . What are you doing right now ?  
 Person1:        Nothing . Just watching TV .  
 Person2:I ’ Ve got two tickets for a newly released film . Would you like to see it with me ?  
 Person1:        Sure . What time ?  
 Person2:The film will start at 2  
 Person1:        Sounds good . Where and when will we meet ?  
 Person2:In my parking lot , at 2pm .  
 Person1:        All right . See you then . 

informal