Detailed Instructions: 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: I am confused by what he said .
Person2:Why do you say that ?
Person1: I don ' t know what he wants to do . Does he want help me or just scold me ?
Person2:Think a little . I think he means well at the bottom of his heart .
A:
formal