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: What are you doing tomorrow ?
Person2:Nothing really .
Person1: Let's watch a movie or something .
Person2:What's on these days ?
Person1: I think they're playing Lord of the Rings
Person2:That sounds pretty good . Let's watch that .
Person1: Where should we meet ?
Person2:How about at the subway entrance .
Person1: Aright . I'll meet you there at one o'clock .
A:
informal