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:       What do you expect of the position ?  
 Person2:I hope to apply my knowledge and experience on the job and make further improvement .  
 Person1:        What do you think about occupational planning ?  
 Person2:It is quite important for all of us . Without clear goals , one may lose direction and cannot pave the way for their future .  
 Person1:        Tell me something about your goals .  
 Person2:As a graduate , it may be more important to develop myself effectively in my future work . And whatever job I may take , I will make the best efforts .  
 Person1:        If confronted with difficult task , what will you do ?  
 Person2:I will make full use of the chance and get myself ready for the challenges all the time .  
 Person1:        Would you care much about your salary ?  
 Person2:Salary is , admittedly , important , but I will care more about what I can learn from the job .  
 Person1:        If you were assigned some work which you are not so interested , would you take it or not ?  
 Person2:I would take it . After all , interest is not the only thing one should care about . 

formal