instruction:
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'.
question:
Person1: Mom , have we got any cookies ?
Person2:Cookies ? You just ate an hour ago .
Person1: I know , but I'm hungry .
Person2:Well , why don't you have some fruit instead ?
Person1: Aw , Mom . I don't want fruit , Aren't there any chocolate chips ?
answer:
informal

question:
Person1: What do you plan to do on Sunday morning ?
Person2:Nothing special .
Person1: How about going to English corner with me ?
Person2:Oh , I'd rather not .
Person1: Why not ?
Person2:You know , I am poor at English , especially spoken English .
Person1: That's why you should go there , If you don't dare to speak English owing to the fact that you are afraid of making mistakes , you simply will never learn English .
answer:
formal

question:
Person1: I feel so uncomfortable .
Person2:Are you sick ?
Person1: No . The teacher is dragging the chalk over the blackboard . It set my teeth on edge .
Person2:He ' ll finish writing in a minute .
answer:
formal