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: Excuse me , please.Could you tell me how to get to the No . 10 Middle School ?
Person2:Walk down this road , take the fourth turn to the right.Then you'll see it .
Person1: Is it far from here to there ?
Person2:No . It's only about five minutes ' walk .
Person1: Many thanks !
Person2:Not at all .
[EX A]: informal

[EX Q]: Person1: I ' Ve got this really neat idea , you can hire a car and drive straight there .
Person2:Are you nuts ? What would my friends think if they see me in a hired car ?
Person1: But that ' s the quickest way to make your plans work .
Person2:Oh this is hard ! Well , I ' ll see what I can do .
[EX A]: informal

[EX Q]: Person1: Good morning , Miss Wang . How beautiful you look today !
Person2:Thank you . I'm wearing make-up .
Person1: Who taught you to put on make-up ?
Person2:It's me . I have studied make-up at a beauty shop .
Person1: Can you teach me how to do make-up ?
Person2:Of course . First , use eye shadow to heighten your eyes .
Person1: What eye shadow do you think is the most fit for me ?
Person2:I think pink eye shadow is popular among Chinese girls .
Person1: How do you protect yourself from chapped lips ?
Person2:I suggest you use lipstick , which also accentuates your lips .
Person1: How did you grow such long nails ?
Person2:You have to pay attention to trimming them from time to time .
[EX A]:
formal