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:       Jason , it's your turn .  
 Person2:I hope I get an easy question like you did .  
 Person1:        You rolled a four . Let's see ... you landed on Foreign Films .  
 Person2:Oh , great . That's just my luck ! I hate those arty movies .  
 Person1:        Well , too bad . So , what foreign film won an Oscar in 1993 ?  
 Person2:Oh , please ! I have no idea .  
 Person1:        The answer is Belle Opaque . It's a Spanish movie , and the title means The Age of Beauty in English . 

informal