Detailed Instructions: 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'.
See one example below:
Problem: Person1: Hey man , you wanna buy some weed ?
Person2:Some what ?
Person 1:Weed ! You know ? Pot , Ganja , Mary Jane some chronic !
Person2: Oh , umm , no thanks .
Person1: I also have blow if you prefer to do a few lines .
Person2: No , I am ok , really .
Person1: Come on man ! I even got dope and acid ! Try some !
Person2: Do you really have all of these drugs ? Where do you get them from ?
Person1: I got my connections ! Just tell me what you want and I ' ll even give you one ounce for free .
Person2: Sounds good ! Let ' s see , I want .
Person1: Yeah ?
Person2:I want you to put your hands behind your head ! You are under arrest !
Solution: informal
Explanation: Based on the conversation, we can see that there is a presence of exclamation which is not present in a formal discussion. Therefore this is an informal conversation

Problem: Person1: Does your country export a lot of natural resources ?
Person2:We export some coal to European countries , but our biggest exports is copper , which we export to Europe , north America , and China .
Person1: Which resources do you have to import ?
Person2:We import a little oil from Venezuela , but we are fairly self-sufficient . We import some iron and a lot of aluminium from neighbouring countries .
Person1: I heard that you country recently discovered deposits of precious stone .
Person2:Yes , that ' s right . So far , only small deposits have been found . Engineers in my country are focusing on drilling for oil . The government is keen to exploit our natural resources to get money to improve our country .
Person1: If your government invests in your country ' s infrastructure , it will be money well spent .
Person2:Yes . We need to put the money into long-term projects rather than wasting it on short-term ones .
Solution:
formal