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'.

[EX Q]: Person1: Hi , Tom . You forgot to put on your sports shoes ! It's Games Day today !
Person2:Well , I have them in my bag . I'Il put them on right away !
Person1: Let me give you a hand . You are carrying so many books .
Person2:Thanks !
Person1: Have you forgotten the cheers ?
Person2:No , I haven't . I've tried hard to remember and I'm quite sure I've memorized the rhythm correctly .
Person1: That's good !
[EX A]: informal

[EX Q]: 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 .
[EX A]: informal

[EX Q]: Person1: Is there anything I can do for you ?
Person2:Yes , I'd like to buy a color TV .
Person1: We carry products from three large manufacturers and some imported ones , too . Do you have a specific model in mind ?
Person2:No . Which one do you recommend ?
Person1: This one from Sony gives a very sharp picture .
Person2:Thank you , but I'd prefer to buy a China-made set .
Person1: Which brand do you prefer ?
Person2:Sky worth .
Person1: OK . Come with me , please .
[EX A]:
formal