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.

Buyer: Hi, I have an iPhone 6 I need unlocked. Are you able to provide that service?
Seller: yes I sure can, my team and I specialize in these kind of things. We leave all of our customers satisfied with our service. 
Buyer: If aafter you unlock it and I happen to experience a problem do you provide a warranty to fix the problem for free?
Seller: In case there is any problem, I will take a look and see what I can do without any additional cost. Also in the event that there is a problem that I can't fix, I will gladly refund you 
Buyer: Would you be willing to accept $35 for a first time customer. If I'm satisfied I will be able to refer a lot of my friends to you and help you earn more business.
Seller: We usually cut a deal for our first time customers but we normally don't accept any lower than $40
Buyer: I think $40 is very fair.
Buyer: 
Seller: Great
Seller: 

phone

Buyer: Hi, I'm interested in your bike. It's a little larger than I'm looking for, but I like the style. Would you consider accepting $150?
Seller: Hello, do you have any questions about the Bike?
Buyer: Will you sell this for $150?
Seller: No, I am willing to negotiate but that is too low. Do you have any questions about the bike? It is really in good condition.
Buyer: I think the price is a little high, I can buy a 21-speed new for $350, and that includes a warranty. What about $165?
Seller: You haven't even asked any questions about the bike. If you had you would know that it has CST 700X38C hybrid tires, Schraeder valves, Rear Shimano Altus derailleur with MegaPulleys... and many other great feaures. So, as you can see this bike has many great upgrades making it fully worth the asking price of $200..
Buyer: I'm familiar with this model of bike, my brother had one just like it. You didn't mention those upgrades in your listing though, that does add a little value to it. I'm still not sure that it's worth quite $200 though considering what I can buy new for a similar price. I'd be willing to raise my offer to $150.
Seller: That is why I kept asking if you had any questions. I'm a bit concerned you're just a reseller looking to undercut other buyers and then make a profit. If you want a new bike without all these great upgrades you should definitely get one. But all things considered I think I'd better not accept such low offers right now. I can go $195. 
Seller: 
Buyer: 

bike

Seller: Hey there, you're interested in the amp?
Buyer: I am.  Can you tell me how old/new it is?
Seller: It's only about 6 months, my band was beginning to do gigs but we had a falling out. Now I need to sell it because I'm going back to work. What's your budget?
Buyer: $45 seems a little high considering it is used.  How low do you think you can go?  I was thinking about $25
Seller: I can't do that, it's barely used and it needs a good owner like you to crank it up to 11. I've only used it at about 7. I can do 35 lowest.
Buyer: Youre at 35, Im at 25.  How about we just meet in the middle at 30 and let this bad boy start rockin'?
Seller: 
Buyer: 


bike