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'.
Problem: Person1: What newspaper are you reading ?
Person2:New York Times . I read it everyday .
Person1: Why don't you read the local newspaper ?
Person2:It's too biased . I just don't agree with their one-sided reporting .
Person1: New York Times is better ?
Person2:Yes , they have a good reputation for fairness .
Solution:
formal