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'.

Input: Consider Input: Person1: Hello everyone ! I ' m Rick Fields , and here with me is Bob Copeland .
Person2:Howdy folks , and welcome to today ' s game ! You know , Rick , today is a key game between Russia and Canada . As you know , the winner will move on to the finals .
Person1: That ' s right , and it looks like we ' re just about ready to start the match . The ref is calling the players for the face-off ... and here we go ! The Russians win possession and immediately set up their attack ! Federal gets checked hard into the boards !
Person2:Maurice Richard has the puck now , and passes it to the center . He shoots ! Wow what a save by the goalie !
Person1: Alright , the puck is back in play now . Pavel Bure is on a breakaway ! He is flying down the ice ! The defenders can ' t keep up ! Slap shot ! He scores .
Person2:What an amazing goal !

Output: informal

Input: Consider Input: Person1: Hi , Janice . Our first weekend after being employed is coming . Show me your plan .
Person2:My mom phoned me this morning , and asked me to go back home to have housework chores .
Person1: What are you assigned to do ?
Person2:God knows . Speaking of chores , I would rather do some washing than cooking .
Person1: For me , I think I will iron my shirt and trousers . Actually , weekends tend to be the most hectic day in the whole week .
Person2:I really hope that I could sleep like a log all through two nights . But ... Some one said that weekends are a bit like rainbows ; they look good from a distance but disappear before we get up close to them .
Person1: I couldn't agree more .

Output: formal

Input: Consider Input: Person1: Is there anything wrong with your food this evening , Miss ?
Person2:Sorry to trouble you . But I don't think this fish is fresh . It actually tastes a bit off .
Person1: Sorry , Miss . I'll place it immediately , can I get you another drink , or you wait ?
Person2:No , please don't do that . I'd just like to return it .
Person1: I'm sorry , Miss , but I'm afraid we can't do that . You'll order something else instead . I'd love to suggest the steak , it's the special today , and quite tasty .
Person2:Ok , then please bring me the steak mediun-rare , thank you .
Person1: Ok , Miss . I hope you enjoy the rest of your dinner .
Output: informal