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'.
Input: Person1: Hi , Linda . I haven't seen you for ages .
Person2:Yes . I miss you very much .
Person1: So do I .
Person2:Have you graduated from college ?
Person1: Yes . I graduated last year and got a job in a press .
Output:
informal