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: Good to see you . Come on in .
Person2:Thank you . Here's a present for you .
Person1: Oh , you shouldn't . But thank you very much .
answer:
informal

question:
Person1: Good morning . Is this where I can get a library card issued to me ?
Person2:No problem , we have a short form right here ; just hand it to me when you are done .
Person1: I'm done .
Person2:That looks great , but I will also need your driver's license or other form of I . D .
Person1: Sure , here it is .
Person2:Well , this looks nice . Do you know how to use it ?
Person1: I am pretty sure how to use it , but can you remind me ?
Person2:Of course , just remember that all of the needed information is on the card .
Person1: I see .
Person2:Well , I hope you have a wonderful time on your library visits !
answer:
informal

question:
Person1: Mr . Chandler will be our new partner , so his visit this time will be extremely important for our cooperation in future , because it may decide whether Mr . Chandler sign the trade contract with us or not . Do you have some idea ?
Person2:I suppose we can bring him to visit our company , as well as our display room . In this way , he can know more about our company and our potential power . In my opinion , visiting the factory will help him learn our manufacturing process very much .
Person1: En , you are right , and he will trust us and maybe the contract will be signed soon . But remember to keep some skills of our manufacturing secret . On one hand , show his our best side ; on the other hand , do not show too much to protect our own business secrets .
Person2:Well , I understand .
Person1: Please make a detailed schedule on the visit this afternoon .
answer:
formal