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:       Do you know that working overtime in some companies is a regular thing ?  
 Person2:How regular ?  
 Person1:        An average ten hours or more a day according to a survey , the worst thing is that the employees get no pay for that .  
 Person2:You are kidding me ? It is against the labor law . They should be aware of their rights .  
 Person1:        But these people say nothing about that . They are worried about losing their job because there is surplus in labor force these days .  
 Person2:That ’ s not right , somebody should do something . 

informal