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: Lucy , where are you going ?
Person2:I want to go to the supermarket .
Person1: Wait a few minutes and I'll go there with you .
Person2:Let's get a shopping cart .
Person1: Good idea
Person2:What are you going to buy ?
Person1: Let's check out the fruit section first .
Person2:OK . I'd like some oranges . But they don't look quite ripe yet .
Person1: Look , nice fresh cherries ! They are ripe and soft . I'll take some .
Person2:I'll take some , too .
Person1: Let's go to the snacks section . I want some chocolate and sweets .
Person2:OK . I'll go and buy some cakes .
Person1: Do you want to buy something else ?
Person2:No . Let's go over to the check-out stand .

SOLUTION: informal

PROBLEM: Person1: Excuse me , I ' d like to apply for a library card .
Person2:Certainly.Here ' s an application form.Do you have proof of residence ?
Person1: What sort of proof do you need ?
Person2:A driver ' s license or something showing that you live in this city .
Person1: I ' m a student from out of state , so I don ' t have a local driver ' s license .
Person2:Do you have a current electricity or gas bill in your name ?
Person1: The phone bill ' s in my name .
Person2:That ' ll do.Bring the most recent one in with your completed application , and we ' ll issue you a temporary library card right away .
Person1: How long will it take to get the regular one ?
Person2:It ' ll be mailed to you within two weeks , but you can borrow books on the temporary card .
Person1: Okay.Thanks for your help .

SOLUTION: informal

PROBLEM: Person1: Hello . I want to reconfirm our flight to London .
Person2:Yes , sir . Did you call the airline ?
Person1: Yes , I did . But I couldn't communicate with them in English.They speak only Spanish.So I need your help .
Person2:Certainly , sir . What is the flight number and when are you leaving ?
Person1: We are taking IB 385 to London tomorrow at 1 p . m .
Person2:Oh , I see , sir . We have the airline office inside the hotel . They have an English-speaking staff . Just dial 35 , please .

SOLUTION:
formal