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: Can I talk to you for a moment , manager ?
Person2:Yes , of course . What is it ?
Person1: I've decided to leave .
Person2:Leave ? Why ?
Person1: I've worked here for two years . And I want to do something different .
Person2:What do you mean by something different ?
Person1: I want to live abroad and learn to speak a different language .
Person2:I'm really sorry . But I understand .
Person1: Thank you , manager .
[A]: formal

[Q]: Person1: Hello , is this People's Theater ?
Person2:Yes , it is . May I help you ?
Person1: Yes , are advance tickets for ' Nut croakers ' still available ?
Person2:What date , sir ?
Person1: October 16th .
Person2:Let me see . Yes , we still have some tickets left . Which performance ?
Person1: 7:30 p . m . performance , please .
Person2:OK , we have tickets at 100 yuan and 50 yuan .
Person1: I'd like to reserve two seats at 100 yuan , please .
Person2:All right . May I have you name , please ?
Person1: Du Kun .
Person2:When would you like to collect the tickets ?
Person1: Tomorrow .
Person2:We can hold them until one day before the show .
Person1: How do we cancel , just in case ?
Person2:Just telephone us , and let us know in advance . We don't charge for cancellation .
Person1: All right , thank you very much . Good bye .
Person2:You are welcome . Goodbye .
[A]: informal

[Q]: Person1: One family skeleton of my family was that my younger brother has an axe to grind .
Person2:What did he aim at ?
Person1: He began to be interested in finance because he thought he would be able to inherit the family ' s fortune .
Person2:How could he have such an ill intention ? I think your father can see that through .
[A]:
formal