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'.

Q: Person1: Lester , you are really fantastic at automobile repair .
Person2:Thanks , June . But I think I need to be certified as a mechanic before I ' m allowed to repair cars for a living .
Person1: That ' s not a big problem . There are many small schools for adults like you who can study to be certified .
Person2:I guess I never thought of that before .
Person1: And you can easily get a student loan from a vocational school , or from the government .
Person2:Wow , you ' Ve inspired me to do something !

A: informal
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Q: Person1: Do you think it's time to sign the contract , Mr . Simpson ?
Person2:I'd like to look it over before I sign it .
Person1: OK , no problem . I hope there are no questions about the terms .
Person2:I am fully satisfied with the terms of this contract .
Person1: Shall we sign this contract now ?
Person2:OK . Where do you want me to sign ?
Person1: Just sign at the bottom .
Person2:OK . ( Sign ) Once a contract is signed , it has legal effect .
Person1: You're right . Thank you for your cooperation .
Person2:It's my pleasure .

A: informal
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Q: Person1: Do you have change for a hundred ?
Person2:Sure .

A:
formal
****