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:       Would you like to go to work or continue your studies after graduation ?  
 Person2:I think I will continue my studies . Now it's not easy for a graduate with bachelor's degree to get a job since there are so many graduates with master's or doctor's degree . We are likely to lose in competing with them in the job market .  
 Person1:        So you will continue to study for a master's degree ?  
 Person2:Well , I think so . But I am thinking of going aboard to get a master's and doctor's degree . If can get a Ph . D . abroad , it will be much easy for me to get a job at home .  
 Person1:        How can you finance your education abroad ? It is very expensive to study abroad .  
 Person2:I think I will try to get the scholarship since I really don't have so much money to study abroad . Actually now I am preparing for the TEFL and GRE exams . If I can get high marks in the two exams and if I am lucky enough , I may get a scholarship .  
 Person1:        It could be pretty tough studying abroad . Being so far away from home ... 

formal