instruction:
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'.
question:
Person1: Sam , we are hard up for the everyday expenses . When can you find a job .
Person2:I'm looking for it , but you see , the market is hard up for jobs , too .
Person1: You liar , I saw you again in the inn . I bet you don't want to work at all .
answer:
formal

question:
Person1: Excuse me . would you lend me some wreckers
Person2:Until when ?
Person1: Until Monday or Tuesday next week .
Person2:No problem .
answer:
informal

question:
Person1: Name and examination number , please .
Person2:My name is Han Ran , number is 050920 .
Person1: What part of the country do you come from ?
Person2:I ' m from Living , Yunnan Province .
Person1: Where is it ?
Person2:It's a very beautiful place in Southwest China .
Person1: Do you have a big family at your hometown ?
Person2:Not very big . There are five of us grandmother , father , mother , sister and I .
Person1: Are you married ?
Person2:No . I'm still single .
answer:
formal