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:       I've been so stressed these days .  
 Person2:What's the matter ? Are you OK ?  
 Person1:        I don't know where to go for college , and what to major in .  
 Person2:Don't worry . You have plenty of time to decide .  
 Person1:        And I also want to get scholarships to help me pay for the tuition . I want to get the burden off my family .  
 Person2:You always worry too much about everything . Take it easy , honey . You are good enough . You can go to the ideal college .  
 Person1:        OK , OK . I'm so sorry . By the way , for you , is it more important to make money or to enjoy your work ?  
 Person2:In a perfect world , I would enjoy my work if I do not have to do much , and make lots of money !  
 Person1:        OK , honey , stop dreaming . You should face the reality .  
 Person2:That's only a joke . To be honest , I have to improve my English , because my English is not good enough . I still get confused about some simple grammars . Since you are quite good at it , do you have any suggestions ?  
 Person1:        En , first you should be concentrated on what the teacher said in class . Second , I suggest you to take an additional course in some training center .  
 Person2:Is the training center helpful ?  
 Person1:        I think so . Because I've taken one to improve my oral English during summer vacation . 

informal