Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Person1: You should not have criticize your son in front of his friends .
Person2:Why ? He did something wrong .
Person1: I know . But at that time your blame is rubbing salt into his wounds .
Person2:I only wanted to help him .
Person1: But it is not the right time .
Student:
formal