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:       Do you love me ?  
 Person2:I ’ m very fond of you .  
 Person1:        Yes , but do you love me ?  
 Person2:Why ? You mean a lot to me .  
 Person1:        Why didn ’ t you answer my question ?  
 Person2:What question ?  
 Person1:        Do you love me ? come on , I ’ m eager to hear .  
 Person2:You know that I care for you . I .. I ’ m proud of you .  
 Person1:        Don ’ t cherish your words , dear .  
 Person2:I .. I don ’ t feel like saying it . 

formal