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 want to improve my handwriting , and I've practiced it for several weeks , but nothing happened . You see , my handwriting is still bad .  
 Person2:Oh , come on . You know it's a long process , you have to be patient .  
 Person1:        I know it , but I don't know when I can make it better .  
 Person2:A , whatever you do , the most important is perseverance . So you have to hang on there , the longer , the better . Then some day , you will find you've already made a lot of progress .  
 Person1:        Yeah , you are right . I must stop complaining and stick to it every day .  
 Person2:Yeah ! Where there is a will , there is a way . 

informal