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: If I remember correctly , time of delivery is another point on wich we differ .
Person2:That's right . Let's go into the details .
Person1: Ok . I hope you can have these goods delivered before the end of Sep . We'd like them to be there in time for our Christmas sales .
Person2:Christmas doesn't come until almost the end of the year , right ?
Person1: But in the United States the Christmas season begins about a month before Dec . 25 .
Person2:Well . I am afraid it will be difficult for us to advance the time of shipment . Our manufacturers are fully committed at the moment .
Person1: I hope you'll try to get them to step up production .
Person2:As new orders keep pouring in , the workers are working three shifts to step up production .
Person1: If that's the case , there is nothing more to be said .
Person2:I am sorry .
Person1: What's your last word as to the date then ?
Person2:I said by the middle of Oct . This is the best we can promise .
Person1: All right . I'll take you at your word .
Person2:Good . Let's call it a deal . We will do our best to advance the shipment , but your L / C should be opened early Sep .
Person1: I promise .
[A]: informal

[Q]: Person1: If one is rich , is the happy ?
Person2:I don't think so.It ' s impossible to equate wealth and happiness .
Person1: Could I understand what you said as the poorest is the happiest ?
Person2:Of course not.Sometimes a poor man can be extremely miserable .
[A]: formal

[Q]: Person1: I have a sweet tooth . I can not help but think about having something sweet between meals .
Person2:A new candy shop just opened around the corner last week . They have a variety of candies and it is always full of people .
Person1: That sounds really attractive . Let's go to that candy shop now .
Person2:Are you serious ? It is always crowded with many people .
Person1: why not ? I would like to buy some candies . Since there are so many people , I think they must have delicious candy .
Person2:Look at the candy bar over there . It is so colorful and tasty .
Person1: They have lollypops , chocolate drops , fruit candy , mints , pearbrittles and toffee . They are in different colors and flavors .
Person2:I want to get a big bag and buy a little of everything .
Person1: Me too . I finally understand why a small shop like this can always befilmed with dozens of people .
Person2:To be honest , I care only about whether I can have some delicious candy eat . I couldn't care less about whether the shop is popular or not .
Person1: You are a candy terminator . Be careful or you'll get a lot of cavities .
Person2:That is true . Speaking of cavities , I am starting to feel something is wrong with my teeth now . Let's get more strawberry chocolate drops before we go home .
Person1: You really can't live without candy .
[A]:
informal