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 like hitchhiking.will you go with me ?
Person2:Oh , no . I don't think I'm in that good form .
Person1: It's a pity.Say , how about a place near enough ?
Person2:To where exactly ?
Person1: New England .
Person2:That's still too far for me .
[A]: formal

[Q]: Person1: Do you know that John isn't going to come back to our school ?
Person2:Really ? Why ?
Person1: He had moved and held a party on July 1st .
Person2:It's a pity that I was traveling around Europe at that time .
Person1: Even he's not coming back to school anymore , you still can call him and meet him on weekends .
Person2:You're right ! I will call him this weekend and meet him .
[A]: informal

[Q]: Person1: I'm going on a cruise this summer .
Person2:No kidding ?
Person1: My brother won a free trip and he's taking me .
Person2:You can't beat that .
[A]:
informal