You will be given a definition of a task first, then some input of the task.
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'.

Person1: Hi , I haven't seen you in a while .
Person2:Yes , it has been a long time !
Person1: How long has it been since we last saw each other ?
Person2:I think that we last saw each other two years ago .
Person1: What have you been doing for the past two years ?
Person2:I have been going to graduate school at USC .
Person1: What are you majoring in ?
Person2:I am studying international communications .
Person1: You should easily be able to find a job with that major .
Person2:I am counting on being able to get a good job .
Output:
formal