Definition: 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'.
Input: Person1: I tried to ask the bank teller why it changed , but she didn't speak English well enough.So I decided to go to the magazine shop . The one around the corner.And I bought an American newspaper .
Person2:What happened ?
Person1: It seems that yesterday the Mexican government declared wouldn't pay back the loans it got from the World Bank.The government declared a default on the loans .
Person2:That's serious .
Person1: I know . The economy here is having serious problems.But because the government declared a default , the currency value went way down .
Person2:So now Mexican pesos are worth about half as much .
Person1: Yes , it's an amazing drop .
Person2:Wow . I feel sorry for the Mexicans . But it's good for us .
Person1: Yes , it's very good . We suddenly have twice as much money to spend here.Our hotel is now half as expensive as when we got here ! Isn't that strange ?
Person2:Yes , and you know what ?
Person1: What ?
Person2:I don't really like this hotel that much.So tonight , now that we are so rich , tonight why don't we stay in the most expensive hotel in town ?
Person1: Why not ? We should do it . Because now we can afford it .
Output:
informal