Q: 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'.
Person1: Hi , dear , I've got your voice at last .
Person2:Hi , darling , I am thinking it is the time of your calling .
Person1: Are you OK today ?
Person2:Quite good except thinking of you so much .
Person1: So do I . You are a beautiful flower in my mind .
Person2:It's called love is blind , I think .
A:
informal