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: Your total comes to $ 36.78 .
Person2:Put it on my VISA .
Person1: There ' s a problem with your card .
Person2:What ' s wrong with it ?
Person1: I believe it was declined .
Person2:You ' re kidding me !
Person1: Do you have another card I could try ?
Person2:I only have one card .
Person1: Do you have cash , perhaps ?
Person2:I don ' t have any cash on me .
Person1: You ' re not going to be able to take these items today .
Person2:I ' ll be back tomorrow .
[A]: informal

[Q]: Person1: Hi , may I speak to Ryan , please ?
Person2:This is Ryan you are speaking with . What can I do for you ?
Person1: Hi , Ryan , this is Malia , and I will not be coming to work today .
Person2:What is wrong with you ?
Person1: I have really bad poison oak and can ' t stop itching .
Person2:How long have you had it ?
Person1: I ' Ve had it a few days , but the rash really got bad last night .
Person2:How have you been treating it ?
Person1: I have some lotion that the doctor gave me , as well as an antihistamine .
Person2:That should work . I ' ll see you tomorrow when you return to work .
[A]: formal

[Q]: Person1: Excuse me , I ' d like to apply for a library card .
Person2:Certainly.Here ' s an application form.Do you have proof of residence ?
Person1: What sort of proof do you need ?
Person2:A driver ' s license or something showing that you live in this city .
Person1: I ' m a student from out of state , so I don ' t have a local driver ' s license .
Person2:Do you have a current electricity or gas bill in your name ?
Person1: The phone bill ' s in my name .
Person2:That ' ll do.Bring the most recent one in with your completed application , and we ' ll issue you a temporary library card right away .
Person1: How long will it take to get the regular one ?
Person2:It ' ll be mailed to you within two weeks , but you can borrow books on the temporary card .
Person1: Okay.Thanks for your help .
[A]:
informal