Detailed Instructions: 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'.
Q:  Person1:       What upsets you ?  
 Person2:My parents called . As usual , they reminded me again that I should have a plan to marry by my late 20s.Easier set than done . Who should I marry ? I have no time to go on a date .  
 Person1:        It is not your mother finding one for you ?  
 Person2:I will find one myself , of course . I ’ m a modern girl .  
 Person1:        Perhaps you can try the three minutes date , the latest type .  
 Person2:You mean dozens of the opposite sex meet each other for three minutes in a dimly bar serving alcohol , I hate that idea .  
 Person1:        No , there is an updated version , three minutes video date . I know an online dating website providing such service with a microphone and webcam , you can sigh for it . You can be face-to-face with a guy talking for maximum three minutes .  
 Person2:I don ’ t think it makes sense . Three minutes is such a short time .  
 Person1:        I think you can find out if there is a possibility of romance within the first second of meeting someone , so-called love at first sight .  
 Person2:Anyway , I don ’ t want to post my face up for sale on the internet like that .  
 Person1:        Don ’ t worry . There are many other options using the internet as dating methods . Some sites operate at international standard even have got certifications .  
 Person2:Of course , for these sites , you have to pay a membership fee . But all in all , it is more serious and professional . The chance of meeting a good and serious person who does not play games is higher .  
 Person1:        I don ’ t want to post my personal information on the internet . I ’ m not knowing who is reading it . 
A:
formal