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: Hey Mike . What are you doing tonight ?
Person2:Nothing planned . How about you ?
Person1: Work is kicking my ass . I'm so stressed . Let's go grab a drink .
Person2:I'm always up for a drink . To tell you the truth , it's been quite stressful here too .
Person1: I say we get drunk tonight . I don't want to think about all this stuff .
Person2:But we have to work tomorrow .
Person1: We won't stay out too late . I just need to forget about work .
Person2:I hear ya . Let's do it .
Solution:
informal