Detailed Instructions: 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: I enjoyed talking to you .
Person2:I enjoyed talking to you too .
Person1: We should hang out some time .
Person2:I think that would be nice .
Person1: Is there anything you would like to do next time ?
Person2:Do you want to go out to eat ?
Person1: I'd like that .
Person2:So I'll see you next time .
Person1: I'm going to call you soon .
Person2:I'll talk to you later .
Person1: See you soon .
Person2:Goodbye .
A:
informal