instruction:
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'.
question:
Person1: How are Zina's new programmers working out ?
Person2:I hate to admit it , but they're good . And fast . The Filipino kid is a genius .
Person1: So you'll make the Stars.com deadline , and have us up and running next week ?
Person2:It'll be close , but we'll make it .
Person1: Good . After Stars.com starts paying us , we won't need Vikam's cash anymore .
Person2:And if we don't need them , we won't need Zina , either .
answer:
formal

question:
Person1: Happy Birthday , Mary !
Person2:Thank you .
Person1: Here is a gift for you . I hope you like it .
Person2:What a lovely dog ! How did you know I love this ?
Person1: I had my own ways of finding out . It's a secret . You look so beautiful today . Your new shirt goes well with your skirt .
Person2:Maybe you don't believe it , but it was made by my grandmother .
Person1: Really ? It looks so nice .
Person2:Thank you . Please have a cup of tea .
Person1: All right .
Person2:How about some fish ?
Person1: No , thanks . I've had enough . Now , Mary , before you blow out the birthday candles , you have to make a wish . After that , you may cut the cake .
Person2:OK , let me make a wish ... Do you want a big piece of cake ?
Person1: No , just a small one . Next let's sing ' Happy Birthday ' to Mary .
Person2:It is very kind of you . I'm so moved by you .
answer:
informal

question:
Person1: Hi , Jim and Wendy . Where're you going ?
Person2:We're going to that new restaurant for lunch . Would you like to join us ?
answer:
formal