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: You didn't show up to my performance last night ! Some kind of friend you are !
Person2:Give me a chance to explain . I was no my way and I had an accident .
Person1: Sure . You look like you're all black and blue .
Person2:I am fine . In fact , I don't have a scratch on me or my vehicle . But the other guy is in critical condition .
Person1: You're serious ?
Person2:Yes , I'm serious . I'm really sorry about missing your concert .
Person1: I guess I misjudged you . I hope you can forgive me .
Person2:Of course I forgive you . What are friends for ? Now , what am I going to do for that other guy ?
A:
informal