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: I think we have had a very pleasant conversation , haven't we ?
Person2:Yes , I think so too .
Person1: Do you have any other questions ?
Person2:Let me think ... I want to know if the company can provide free accommodation for a new employee .
Person1: I'm sorry we can't now .
Person2:I really hope that your company could provide living places ; otherwise I have to rent a house to live .
Person1: Maybe the company will build dormitory for the employees in the future .
Person2:That would work too .
Person1: Anything else ?
Person2:Some companies will pay part of the phone bills for the employees . Will this company do so ?
Person1: I'm sorry we won't do so for a new employee . We only provide this benefit to employees who have made significant contributions to the company .
Person2:I understand . Will the company provide training ?
Person1: Yes , we will , and the staff will have a chance to travel every year .
Person2:That's great . Thank you very much .
[A]: informal

[Q]: Person1: Mum , can I finish my homework later ?
Person2:Sorry . You know the rules .
Person1: But I want to watch TV now .
Person2:That ' s out of the question .
Person1: Please .
Person2:Not a chance .
Person1: Not even for an hour ?
Person2:Sorry , it ' s impossible .
[A]: informal

[Q]: Person1: How do you do ? I need your help in selecting a foreign market to invest !
Person2:Fine . I have your letter and I've made some notes .
Person1: How can I find out what countries to invest ?
Person2:We have quite a lot of import and export information and can give you figures on population , consumption , production , and foreign exchange reserves .
Person1: Great . I want to get an idea for the purchasing ability in various countries .
Person2:But you're also going to have to give some attention to trade restrictions . You can get much information about environment of investment .
[A]:
informal