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: Is that true ?
Person2:I guess so . Now Anna's got four kids and another on the way .
Person1: Wow . She looks good for having had that many kids . She's pregnant and wearing Prada !
Person2:That's Anna for you . She keeps up the image of the stylish Italian woman . Here she comes .
Person1: She's glowing . It must be the pregnancy .
Person2:Yeah , or the expensive Italian facial treatments .
[A]: formal

[Q]: Person1: I am going on my first date tonight . Can you give me some suggestions about what to wear ?
Person2:Well , I think you look very pretty in your polka dot purple dress with your hair piled at the rear . That makes you very graceful and mysterious .
Person1: Yeah , that's a good idea . Let me try it .
Person2:Remember to match it with your glittering star-shaped necklace . Very attractive on formal occasions .
Person1: Do I look more mature in the highheel shoes ?
Person2:Sure , more elegant and taller .
Person1: I shall wear light make-up instead of heavy . The face powder will lighten my skin color .
Person2:If I were your date , I would be so charmed by you .
Person1: Thank you .
[A]: formal

[Q]: Person1: I don't think I'm getting better .
Person2:Believe me , you really look much better than before .
Person1: I'm still not sure whether I can recover from it .
[A]:
informal