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:       How was your holiday to Cyprus ?  
 Person2:It was so fantastic I didn ’ t really want to come home .  
 Person1:        Did you happen to meet someone ?  
 Person2:How did you know ?  
 Person1:        You always act like this when you ’ Ve fallen in love . Who is he ? How did you meet ?  
 Person2:His name is Tony and we met my first night in Pathos . He works with my sister who lives there .  
 Person1:        Was it love at first sight ?  
 Person2:Not really . I wasn ’ t looking for a holiday romance , but my sister told me that she had promised him that she ’ d set him up on blind date with me . I didn ’ t think I ’ d have anything to lose , so I went .  
 Person1:        And ?  
 Person2:Let ’ s just say that by the third date , we both realized that we had fallen in love .  
 Person1:        That happened quickly ! Are you going to see him again ?  
 Person2:Luckily , his company has a position available here , so he ’ s going to see if he can get relocated .  
 Person1:        It sounds like he is madly in love with you . Are you ready for such a serious relationship ?  
 Person2:Well , I ’ m not really a spring chicken anymore . We don ’ t know what will happen . 

informal