Definition: 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'.
Input: Person1: Too much , Harry . Don't blame her anymore .
Person2:But it was her that makes us so embarrassed .
Person1: I know . But there's no point in making her feel worse , isn't there ?
Person2:I don't care .
Output:
formal