Definition: 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:  Person1:       Albert and I need a lot of things to furnish our house.But I don't know where the best place to shop is . Can you give me some advice ?  
 Person2:Sure , Carolyn . I'm happy to help you.What kinds of things do you need right now ?  
 Person1:        Well , we have most of the furniture already.We mostly need kitchen utensils , bathroom accessories , cleaning and laundry accessories--things like that.And Albert wants to set up a little off  
 Person2:Well , as for Albert , he should go to an office supply store.There ' s a very good one called Office Depot . They have everything he will need.And their prices are good too . It's very convey  
 Person1:        Can I write that down ?  
 Person2:Sure , it's spelled Office and then D - E - P - O - T.It ' s in the Yellow Pages .  
 Person1:        Thanks .  
 Person2:And as for the kitchen things , do you want very high quality ?  
 Person1:        What do you mean ?  
 Person2:I mean , do you want the best quality , or do you want good prices ?  
 Person1:        Probably good prices . You know we will only be in America for about a year .  
 Person2:Then I suggest you go to K-Mart or Wal-Mart .  
 Person1:        What are those stores ?  
 Person2:They are very large , discount department stores.That means their prices are very good.And you can find everything you need for the kitchen or bathroom .  
 Person1:        Even silverware ?  
 Person2:Yes , everything.They don't have the most expensive brands , but their quality is usually decent.The main thing is , they have good prices , and they are very convenient .  
 Person1:        I have a friend that said something about a place called Price Club.Do you know about that ?  
 Person2:I have never shopped there , but I think Price Club is a kind of membership store .  
 Person1:        What does that mean ?  
 Person2:That means you have to pay a membership fee to shop there . I have heard they have very good prices on electronics .  
 Person1:        Electronics ?  
 Person2:Yes . Like stereos and televisions .  
 Person1:        How much is the membership fee ?  
 Person2:I'm not sure.But if you are only going to stay a year , I don't think Price Club is good to join.They have great deals occasionally.They are very good for people who like to buy new things all  
 Person1:        I see . Thanks for these tips . We really need to buy a lot of little things .  
 Person2:I know how it is . Moving is very troublesome . 

informal