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: I need to find somewhere to park .
Person2:Off campus or on campus ?
Person1: I need to find a space on campus .
Person2:Why don't you park in the parking structure for students ?
Person1: Where is the parking structure at ?
Person2:It's on the west side of the campus .
Person1: Do you know if the parking structure is full or not ?
Person2:It was empty last time I went up there .
Person1: How long ago was that ?
Person2:I went up there early this morning .
Person1: Do you think it'll be full now ?
Person2:It might be . You'll have to go see for yourself .
A:
formal