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: Can I still get tickets for tonight's performance ?
Person2:The balcony is still available .
Person1: Aren't there any other seats ?
Person2:No , I'm afraid that's it .
[A]: formal

[Q]: Person1: Hello , is Jack there ?
Person2:Speaking .
Person1: Jack ! It ' s Rose here .
Person2:Hi , Rose . How ' s everything ?
Person1: Fine , thanks . I ' m having several friends over for dinner this Saturday . And I was wondering if you have the time to join us .
Person2:Sounds good . What time do you want me to come ?
Person1: Is six o ' clock okay ?
[A]: informal

[Q]: Person1: Help ! Help !
Person2:What's the trouble , ma'am ?
Person1: I was taking a walk when a young man came at me from nowhere and snatched the bag off my hands and ran away .
Person2:What did the young man look like ?
Person1: Well , he's young , tall and thin .
Person2:To which direction did he run ?
Person1: Let me see ... my right arm ... oh , to the east .
[A]:
informal