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.

[EX 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: 

[EX A]: phone

[EX Q]: Seller: Hey! Good evening! 
Buyer: hey
Seller: I see you are interested in my trainer set, also known as the bike thong! Its in great condition and listed at a super fair price. Probably gonna be gone pretty quickly!
Buyer: I would like to buy at $140
Seller: Ehh, I appreciate the offer but I was thinking closer to at least $210
Buyer: Actually I'm looking something within $150
Seller: If you can meet me at $160, I'll throw in a free spare tire and a Trek frame!
Buyer: Oh so nice of you. Can u give me  at $155
Seller: I can do $155, but only if you can pay in all quarters. Meet me at the laundry mat and we've got a deal!
Buyer: 
Seller: 

[EX A]: bike

[EX Q]: Seller: Hi! are you interested in the bike? 
Buyer: yes. i am 
Seller: do you have an initial offer?
Buyer: well how com e it's so expensive? i've never seen a bike for over 1000
Seller: Sure! At this point, it's really priced to a specialist who can appreciate the rarity of a model in this good of condition. The bike itself is a joy to ride and the fact that you won't have to do any repairs is a bonus.
Buyer: alright. would you consider 800 bucks? 
Seller: Hmm...I can do $900 if you can come pick it up? 
Buyer: I can most definitely come and pick it up 
Seller: And $900 is acceptable? 
Buyer: yep. that's works for me. 
Buyer: 
Seller: 

[EX A]:
bike