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'.

[EX Q]: Person1: Hi , I have a doctor ' s appointment scheduled with Dr . Smith , and I need to change it .
Person2:What day did you have it scheduled for ?
Person1: My appointment was on Tuesday .
Person2:What time was it scheduled for ?
Person1: It was for two o ' clock in the afternoon .
Person2:I see your appointment . What day would you like to switch to ?
Person1: I would like to switch it to next Friday .
Person2:What time would you like ?
Person1: I would like to come in at 10
Person2:Fine , I will pencil that in right now . We will see you then .
[EX A]: formal

[EX Q]: 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 .
[EX A]: formal

[EX Q]: Person1: Have you a garment ?
Person2:Yes , what style do you prefer ?
Person1: Show me the black one , my size .
Person2:OK , here you are .
Person1: Well , I don't think it matches my jeans.Can you give me some advice ?
[EX A]:
formal