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 have any particular conditions that you would like our firm to take into consideration ?  
 Person2:Yes . My house is far away from here . May I ask for an apartment ?  
 Person1:        No problem . We can offer you a flat with two bedrooms and a living room .  
 Person2:That ’ s great . If you don ’ t mind my asking , does your company give bonuses ?  
 Person1:        You ’ ll get bonuses at the end of each year according to your achievements . Besides , we offer you 1 % commission on all your sales .  
 Person2:Oh , just one more thing , could you give me some idea about holidays ?  
 Person1:        You can have Saturdays and Sundays off . In addition , you may have a paid month vacation every year . But when it is necessary , we do expect you to work overtime . Does it suit you ?  
 Person2:No problem .  
 Person1:        If you are satisfied with the conditions here , please sign this contract and give it to me .  
 Person2:OK . 

informal