Given a text passage as input comprising of dialogue of negotiations between a seller and a buyer about the sale of an item, your task is to classify the item being sold into exactly one of these categories: 'housing', 'furniture', 'bike', 'phone', 'car', 'electronics'. The output should be the name of the category from the stated options and there should be exactly one category for the given text passage.

Example Input: Buyer: Hi. I am interested in your iphone. 
Seller: Hey there!
Buyer: The phone appears to have plastic still on it. Has it been used at all?
Seller: Awesome! It's matte black and has 64GB of storage. It's like new, slightly used, but very brief. No marks, dents, scratches, or anything. Good as new. $320 for it.
Buyer: This is a bit high for me. Would you be willing to go lower? I could come pickup myself at $250
Seller: It's a new Iphone 6, you wont find one for $250. $300 is the lowest I'll go i'm sorry. I can deliver it to your place if that makes it any better price wise.
Seller: 

Example Output: phone

Example Input: Seller: Hi great 5 shelf unit ready to go at just $40 bucks. 
Buyer: It seems like a great shelf unit. If I were to come pick it up would you take $30 for it?
Seller: This shelf took some effort to put together since it's very solid. Can you give me a better offer?
Buyer: I'm sorry, right now I'm in school and have limited funds. That's the best I can do.
Seller: How about 35 and I can help load it for you. Again it's already put together and you won't get a solid piece like that from a store already put together. 
Seller: 
Buyer: Ok I can probably work with 35. Thanks.
Buyer: 

Example Output: furniture

Example Input: Buyer: Hi, can you tell me more about the condition of the iPhones?
Seller: Both are like new.  My parents who are retired used them for about 6-7, with less than 10 hours of talk time.
Buyer: What does it mean they used them "for about 6-7"?
Seller: oops!  sorry, it's late and I'm trying hard to get these phones sold.  I meant to say they used them for about 6-7 months.
Buyer: Ok. Well, I think that those phones probably got a good amount of use in 6-7 months. So, would you be willing to accept a price of $75?
Seller: No, my parents are both retired and basically used them to call me as I'm an only child and their calls were not that often.  I need to get at least 95 for each phone.
Buyer: Can you give me free delivery? I'd be willing to do that and pay $95 for each phone, if you can throw in the free delivery. The product is in good shape, after all.
Seller: I think we can do that since you're local.  190 for both phones and I will deliver.  How's tomorrow afternoon?
Buyer: sounds good
Buyer: 
Seller: Great!  I hope you enjoy your new phones.
Seller: 

Example Output:
phone