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: Hey , Philip ! You won ' t believe this !
Person2:What ? What ' s the good news ?
Person1: My son , Harvey just got into Harvard ! He starts next September .
Person2:That ' s wonderful ! You must be really proud of him !

SOLUTION: informal

PROBLEM: Person1: Hello , Lily .
Person2:Hello , Mr . Clark . You ' re early for lunch . It ' s only eleven o ' clock .
Person1: When I come late , there ' s usually nothing left .
Person2:What would you like today ?
Person1: I ' ll have the leg of lamb .
Person2:And would you like salad ? The salad plate today is lettuce , tomatoes , and black olives .

SOLUTION: formal

PROBLEM: Person1: Can you speak English ?
Person2:Yes I can . I speak it very well .
Person1: Where did you learn it ?
Person2:I lived in England when I was a child .
Person1: What else can you speak ?
Person2:Well , I know a little Italian .

SOLUTION:
formal