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: Hello baseball fans , and welcome back to today ' s game ! My name is Rick Fields and of course , I am here , once again , with the man that seals the deal , Bob Copeland .
Person2:It ' s a beautiful day to see two world class teams face each other and fight for their right to be called champions .
Person1: Well , the national anthem has just been sung , and the umpire has started the game . It ' s time to play ball !
Person2:Roger Vargas is up at bat . The pitcher winds up and strike one !
Person1: A very nice curve ball by the pitcher . The catcher gives him the sign , he winds up and Vargas gets a line drive !
Person2:The players are scrambling to get the ball . Vargas gets to first base and he ' s still going ! The outfielder throws it to second ! Vargas slides ! He ' s safe !
Person1: Great play !
Person2:We have a runner on third and up at bat is Brian Okapi ! There ' s the pitch , he hits it ! It ' s going , going , that ball is gone !
Person1: Home run by Okapi ! That puts this team ahead by two as we are at the bottom of the fifth inning here at Richie Stadium !
[EX A]: informal

[EX Q]: Person1: Let me see . How much should I pay for you ?
Person2:Don ' t think about it !
Person1: No , this will not do . Let me see .
Person2:You pay for the taxi and dinner , then to even things up .
Person1: Good ideas .
[EX A]: informal

[EX Q]: Person1: Hi . Bob ! We've been working hard at our lessons for a fortnight . So why don't we take it easy this weekend ?
Person2:Okay ! What do you suggest ?
Person1: How about seeing a play ? I hear Hamlet is on at the National Theater .
Person2:Is that so ? Why not ?
Person1: ( looking at a newspaper ) Oh , dear me ! There's no performance at the National theater this weekend . So we have to go to cinema instead .
Person2:What's on ?
Person1: Let me see .. um . Gone With the Wind . It is on at six cinemas on Saturday night .
Person2:That sounds interesting . Which is the nearest ?
Person1: Ah . The Royal , I think .
Person2:What time does it start ?
Person1: Why don't we go to the 7:30 show ? It is convenient to us , I think .
Person2:But we won't have enough time for dinner .
Person1: Do you want to go to the earlier or the later show ?
Person2:Ah ... I fancy going to the later show .
Person1: Then , there's a 9:30 show .
Person2:That's Okay , I think .
Person1: All right .
[EX A]:
informal