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: Well , Peter . I'm sorry you're ill . What's the matter with you ?
Person2:I don't know , Doctor . I'm ill . I have a headache and a stomachache .
Person1: Show me your torgue.What did you eat yesterday ?
Person2:Well , Doctor , I . . .
Person1: Did you eat any cake ?
Person2:Yes , I ate some cake .
Person1: Did you eat any ice cream ?
Person2:Well , yes , I did . I ate some ice cream .
Person1: Did you eat any candy ?
Person2:Well , yes , I did . I ate some candy .
Person1: Young man , tell me everything you ate yesterday evening .
Person2:weki , Doctor . I went to a birthday party .
Person1: I see ! How many pieces of cake did you eat ?
Person2:Three , Doctor .
Person1: How many plates of ice ream did you eat , young man ?
Person2:Gosh , Doctor . I had only three plates of ice cream.John had four .
A:
informal