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 , Chandler ! How are you ? 
 Person2:Fine . And you ? 
 Person1:        Just so so . I am too tired . My company has been holding too many training sessions lately . 
 Person2:That's good . Not Evey company provides employees with training opportunity . It seems that your company wants to further develop their employees and encouragelifelong learning . 
 Person1:        Good ? ! For them but not to me . 
 Person2:So , what's the problem ? 
 Person1:        We have to participate in training after a busy day and during the weekend . You know , after work all you want to do is throw yourself onto your bed . And during the Weekend , you just want to stay at home and enjoy a family dinner . 
 Person2:Yes , you are right . But one should keep learning daily to maintain our keen mental power expand our intellectual capacity . Constant learning drive us to Sharp our power of reasoning , analysis and judgement . 
 Person1:        Yes , I agree with you on the point but couldn't the training be held during the working day instead of weekend ? 
 Person2:Yes , you are right . I think weekend is the time for family gathering and rest Maybe you could make that suggestion to your boss . 

informal