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: What did he say ?
Person2:He said he would tell us the secret of becoming a successful man .
Person1: It ' s too good to be true ! If I were there , I would ask him if he himself was a successful man .
Person2:Nobody would drive him up a wall by asking him such a question , you know .

Answer: formal

Question: Person1: Did you hear about car accident on Spring Road yesterday ?
Person2:Yes , I did . I heard that they took both drivers to hospital . One needed surgery .
Person1: Yes . I heard he had a few broken bones too , but that the doctors have set the fractures without any problems .
Person2:The second driver was luckier . He had a concussion and needed some stitches for his head wound .
Person1: Yes . He was released from hospital yesterday evening . The other man could be there for weeks .
Person2:I understand that he ' s connected to a heart monitor and breathing apparatus . His condition can ' t be very good .
Person1: The hospital announced this morning that his condition is poor but stable . What does that mean ?
Person2:It means he ' s really badly injured , but he will almost certainly survive .
Person1: His family will be pleased to hear that . They must have been so worried .

Answer: formal

Question: Person1: Herman , why are you so excited ?
Person2:I have met a beautiful girl .
Person1: Have you fallen in love ?
Person2:Yes . At first sight .
Person1: Can you describe the situation at that time ?
Person2:At that time her back was ramrod straight as she sailed by , her tone is best , neither over-passionate , nor too cold .
Person1: What's her outlook ?
Person2:She was pretty , her hair was the color of rich dark chocolate , waving gently to her shoulders . Her complexion was clear and golden .

Answer:
informal