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: Consider Input: Person1: I ' d love to have my own farm .
Person2:It would be very hard work . Are you sure ?
Person1: I wouldn ' t mind getting up early morning and the physical work would make me fit and healthy .
Person2:Running a farm would be totally different to you current job .
Person1: That ' s one reason I ' d like to try it . I ' d really like to get away from working 9 to 5 in an office .
Person2:You ' d need a lot of training before becoming a farmer . It ' s not something you can just walk into .
Person1: My uncle owns a farm and I ' Ve spent some time working with him . I love being in the countryside with farm animals and green fields .
Person2:Well , I ' d certainly come and visit you . It would be great to take a working holiday on a farm . I ' d love to get away from hustle and bustle of the city for a while .

Output: formal

Input: Consider Input: Person1: Mom ! How can I help with the washing up ?
Person2:You peel the onions and wash them , then chop them .
Person1: OK ! Then what can I do after I finish it ?
Person2:Let me see . Wash the cabbage over there .
Person1: OK , got it .
Person2:What is your father doing now ?
Person1: Reading newspaper on the couch .
Person2:How about Daniel ?
Person1: Staying with Ultraman , of course . You know he likes it very much .
Person2:Be careful of the peeler . Don't cut your fingers .
Person1: I will .
Person2:OK , we've finished . Can you get your father and brother ?
Person1: OK !

Output: informal

Input: Consider Input: Person1: What else , Ma'am ?
Person2:No , thanks . My husband said , We'd like to pay now .
Person1: Let me show you to the cashier's . It's 905 yuan in total .
Person2:What ? Where does that five come from ?
Person1: Oh , it's a service charge .
Person2:But I only have 900 in cash here . Can you let it go for 900 yuan ?
Person1: Sorry , but we can't do that . It's store's rule .
Person2:My husband said he had a credit card . Do you accept credit card ?
Person1: Yes .
Person2:Great . Here it is .
Person1: Here is the receipt . Wanna to have it wrapped , Ma'am ?
Person2:Yes , please . Thank you very much .
Person1: It'll be great to have you again .
Person2:Thank you very much .
Output: informal