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: It ' s time for me to go now .
Person2:Would you like me to go with you ?
Person1: I ' d rather you stayed in the office and did these things .
Person2:Do you want to type that letter ?
Person1: I ' d rather you typed it .
Person2:Do you want to tell her ?
Person1: I ' d rather you told her .
A:
formal