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'.
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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: Hey , Ted . What are you up to this Friday ?
Person2:Well , I have the day off from work .
Person1: That ' s great ! Do you have any plans ?
Person2:Well , I ' Ve been working so hard lately , so I ' ll probably just take it easy .
Person1: Sounds nice .
Person2:Yeah , I ' ll probably just stay in and relax . Maybe watch a few movies .
Person1: Can I stop by ?
Person2:Sure . Any time .

Answer: informal

Question: Person1: Good afternoon , everyone . The experiment is to start at 3 . Have you gone through the instructions ?
Person2:Yes , sir .
Person1: Ok , now some points for attention . First of all , pay attention to safety ... Now , sign your names on the lab record , and after that you can start . If there is any question , just let me know .
Person2:Excuse me , sir . This air compressor doesn't work .
Person1: Have you turned it on ?
Person2:Yes , I have .
Person1: Ok , I will get you another one .
Person2:Thank you .

Answer:
formal