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]: Buyer: Hello, is there a weight restriction on this tractor?
Seller: no, there is no weight restriction listed.
Buyer: What year was this manufactured?
Seller: This is a used tractor in mint condition.  I'm sorry that I do not have the year it was manufactured.  Are you looking to purchase a tractor for your child?
Buyer: Yes I am. Do you know how much this trator has been used?
Seller: Per the picture, it has been gently used.  It is in mint condition, i.e. very good condition.
Buyer: Since there seems to be alot of unknowns with this item would you be willing to accept $322?
Seller: I would be willing to take $25 off the original price of $350 to cover the unknowns.
Buyer: 
Seller: Making the purchase price $325 and I will include free shipping.
Buyer: That sounds like a fair trade to me.
Seller: Great!  I will go ahead and accept the $325 then.
Seller: 

[EX A]: bike

[EX Q]: Seller: Hello
Buyer: Hi
Seller: Are you interested in the bike I had for sale?
Buyer: Yes, I see it has some issues with the brake
Seller: Yea, it has some minor issues, pretty easy fix. I have just moved on to other projects and was wanting to get it out of my way.
Buyer: I will give you $150 for it
Seller: Ah, that's a bit low for all the custom parts and stuff I have on the bike. Tell you what, you come get it today, cash in hand, you can take it for 200.
Buyer: I can do that for 175
Seller: Nah, I already knocked off 100 bucks off the price. At this point I am losing money. 200 bucks in really my bottom dollar.
Buyer: I can't offer any more than 180
Seller: Cash today?
Buyer: Yes
Seller: Deal
Buyer: 
Seller: 
Seller: 

[EX A]: bike

[EX Q]: Buyer: Hi I am interested in the bikeyou are selling for 250. Can you please tell me some details about it?
Seller: Of course. It is a Man's bike, purple. It's a medium frame so it would be suitable for a man or woman. It's dated 1952 on the serial number. It is heavy so I wouldn't recommend it for daily use as a commuter. More like a weekend at the Farmer's Market type of bike.
Buyer: Sounds like a good ike. I see from the photo that it looks old and has some wear to it. Because of that, I am only willing to offer $175. Is that good?
Seller: No. I would need an offer closer to my asking price. Say, $225?
Buyer: I would go up to $200, my finall offer.
Buyer: 
Seller: 

[EX A]:
bike