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.

[Q]: Seller: Hey there! Are you interested in my Iphone 6 64GB? It's Matte Black color. Like new, barely used.
Buyer: I really need a new iphone to replace mine. I am quite interested. how old is it?
Seller: Its only a few months old but I didn't use it at all really. I'm selling it for around $320.
Buyer: Its look like its in good condition. I would be willing to pay around $280 for it
Seller: Okay I can do $280 if you can stop by my place and pick it up. 
Buyer: sure. I can definitely pick it up and I will pay cash 
Seller: Awesome! Thanks so much for your purchase.
Seller: 
Buyer: 

[A]: phone


[Q]: Buyer: Hello! Can you give me some more info on this listing? Are there walk-in closets in each of the bedrooms? And how big are the bedrooms?
Seller: Hi there, I see your interested in this house?
Buyer: Yes! Please see my previous questions. I'd like a little more info before discussing a price.
Seller: Two bedrooms of about 14x14 and nice walk in closets. We score well on different transit methods.
Buyer: Great! Are any of the utilities included or will I need to pay for those as well?
Seller: Water trash and parking included as well as acess to the pool and tennis court.
Buyer: Perfect. Would you be willing to drop the price to $2500? 
Seller: $3800 is already with 20% student discount, I can only drop to $3500.
Buyer: Since there are so many perks and the room sizes are huge, I would be willing to pay $3500.
Seller: Deal.
Seller: 
Buyer: 

[A]: housing


[Q]: Buyer: nice bike
Seller: Thanks, it's truly a gem. Do you have questions about the bike?
Buyer: is the seat comfortable
Seller: Yes! I acutally just replaced the seat with a brand new Schwinn seat a few months ago.
Buyer: looks comphy are there logos on the bike
Seller: Yes all the orginal logos are still on the bike
Buyer: sweet, i can offer you what i have $380
Seller: Would you willing to come it pick up from my place today or tomorrow?
Buyer: actullay i'm in the area so i can be there today
Seller: Ok great, Yeah I can do $380 I just need to get rid of the bike.
Seller: 
Buyer: see ya in a few thanks
Buyer: 

[A]:
bike