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'.

[EX Q]: Person1: He got the scholarship to Harvard .
Person2:You're kidding !
Person1: It's true . He is a hard worker .
Person2:I know he really deserves this .
[EX A]: informal

[EX Q]: Person1: Hey , Ted . What are you up to this Friday ?
Person2:Well , I have the day off from work .
Person1: That ' s great ! Do you have any plans ?
Person2:Well , I ' Ve been working so hard lately , so I ' ll probably just take it easy .
Person1: Sounds nice .
Person2:Yeah , I ' ll probably just stay in and relax . Maybe watch a few movies .
Person1: Can I stop by ?
Person2:Sure . Any time .
[EX A]: informal

[EX Q]: Person1: Here , Let me get the door for you .
Person2:Thanks .
Person1: Do you need a hand with that ?
Person2:Actually , i could you some help.Thank you so much .
Person1: Don't worry about it .
[EX A]:
informal