TASK 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'.
PROBLEM: Person1: Sam , we are hard up for the everyday expenses . When can you find a job .
Person2:I'm looking for it , but you see , the market is hard up for jobs , too .
Person1: You liar , I saw you again in the inn . I bet you don't want to work at all .

SOLUTION: formal

PROBLEM: Person1: So Kevin , what is your type ?
Person2:I like girls who like to have fun , and aren't too serious .
Person1: I agree . I like guys that can make me laugh .
Person2:That's true . Having a very serious boyfriend or girlfriend can be boring .

SOLUTION: informal

PROBLEM: Person1: Excuse me , sir ? I just need a little bit more information . Could you tell me your telephone number and mailing address ?
Person2:Sure . My number is 545-8897 , and I live at 908 Mulbury Street .
Person1: That ' s 545-8897 and your mailing address is 908 Mulbury Street . The zip code is 20310 , right ?
Person2:That ' s right .

SOLUTION:
formal