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'.

[EX Q]: Person1: Did you hear what happened to Mike in Accounts ?
Person2:No . What ?
Person1: He got arrested on Friday night and spent the night in jail .
Person2:No . Really , what happened ?
Person1: Well , it was all a big mistake , actually . He got home on Friday night really late , and apparently he'd been out drinking with some clients , so he was really drunk .
Person2:Was he out with the guys from the bank ?
Person1: Yes , I think so .
Person2:Oh , yeah , they always get really drunk .
Person1: Well , anyway , he'd somehow lost his wallet and his house keys , so he couldn't get in . He lives alone , you know .
Person2:Oh , really . I thought he lived with his wife .
Person1: No , she left him last year .
Person2:Oh , really ? Do you know why ?
Person1: Hang on , let me finish telling you what happened . Where was I ?
Person2:He lost his wallet and keys .
Person1: Oh yes , well , he tried to climb in through the bathroom window , but apparently he slipped and broke the glass with his foot . The neighbors heard him and thought a robbery was in progress , so they called the police .
Person2:Oh , no .
Person1: Yes . So when the cops arrived , they didn't believe his story
Person2:So then what happened ?
Person1: Well , when he sobered up , he called someone from work to come and bail him out .
Person2:Well , that's a bit of a tricky situation .
Person1: Yes , I know .
[EX A]: informal

[EX Q]: Person1: OK , Hello !
Person2:Hello !
Person1: Hi , what's your name ?
Person2:Yeah , my name is Nandu .
Person1: Nandu . Nandu , how do you spell you name ?
Person2:Yeah , my name is like N-A-N-J-U .
Person1: Oh , OK . That's a nice name , Nandu . And where are you from ?
Person2:I'm from Madras .
[EX A]: formal

[EX Q]: Person1: Hey , buddy . Are the fish biting today ?
Person2:They sure are . They are practically jumping in the boat .
Person1: Is that so ? Well , what kind of bait are you using ?
Person2:We're catching most of our fish with lures .
Person1: Lures ? We're using live bait over here .
Person2:What kind of live bait are you using ? Worms or minnows ?
Person1: We're using worms .
Person2:Are you having any luck with the worms ?
Person1: No , we haven't even gotten a nibble today .
Person2:That's too bad . Why don't you try using lures instead ?
Person1: I would , but I don't have any in my tackle box .
Person2:That's too bad . Well , where are you fishing ?
Person1: I'm just fishing from the shore . How about you ?
Person2:We went out in our boat . I have a favorite fishing hole out there .
Person1: Sweet.Can you tell me where it is ?
Person2:Oh no , I can't tell you . It's a secret . Say , why don't you go over by the lily pads and try fishing there ?
Person1: Do you think that's a good spot ?
Person2:Sure , I used to catch my legal limit of bass there all the time .
Person1: Thanks . I think I'll go check that out now .
Person2:Good luck . I hope you each some fish .
[EX A]:
informal