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: Paul , let's go and see Grandpa this afternoon .
Person2:But Grandpa will be working .
Person1: It's Saturday .
Person2:I almost forget .

A: informal
****
Q: Person1: Hi ! Dick . Where are you going ? You're in such a hurry .
Person2:Playground . We're having sports for today's outside class activities . All my classmates have already got there .
Person1: What are you going to play ?
Person2:Some of us will play basketball and some volleyball .
Person1: Enjoy yourself .

A: informal
****
Q: Person1: This paper absorbs water so quickly !
Person2:Yes , it's great for cleaning up spills .

A:
informal
****