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: Good morning . May I help you , sir ?
Person2:Yes . I want to make a remittance to New Delhi .
Person1: Do you want an international money order or a banker's draft ?
Person2:I'd like a banker's draft please . It's not really urgent .

SOLUTION: formal

PROBLEM: Person1: I bought it . I got a watch , too . The company that sells this car has a car club .
Person2:Where you can buy lots of paraphernalia ?
Person1: Yeah , and meet other drivers of the same car !
Person2:Cool !
Person1: I know girls love this kind of car . Look , it's got a sunroof ! Imagine ... a cool , starry night ...
Person2:So , you're going to use Sarah's car to go cruising for chicks ?
Person1: No . I borrowed it to go shopping .

SOLUTION: informal

PROBLEM: Person1: Where are we headed now ?
Person2:To a historic coffeehouse . It's got a little Mafia story to it .
Person1: Awesome . Was someone killed there ?
Person2:Oh , yeah , while he was eating , and he was a pretty famous Don .
Person1: Cool ! Is it safe for us to eat there though ?
Person2:Sure . In fact , nowadays , you'll see more tourists there than Italians . There are Mafia tours nowadays that go there to eat .

SOLUTION:
informal