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 really don ' t understand my parents . They always make light of my worries .
Person2:They think you are just a child .
Person1: But the child has his own feeling .
Person2:Maybe you are right . Well , you can talk with them .
A:
informal