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: Seller: Hi! Are you interested in purchasing this valve?
Buyer: Yes, can you tell me , have you used it before?
Seller: This valve is great I have one installed in my home but also have an extra one. It is a smart home hub and has never been used.
Buyer: I see, so you bought an extra one by mistake?
Seller: I was actually given a buy one get on free offer at my local department store! I am selling for $175. What do you think of that price?
Buyer: I think it is high... since you really didn't need it and didn't cost you per say.. could you come down to $133?
Seller: Ill do $140 and you have a deal!
Buyer: alright, that sounds fair enough.
Buyer: 
Seller: 

Example Output: electronics

Example Input: Seller: Hi, are you interested?
Buyer: Hi. I'm very interested in your add. Can you tell me a bit more about this bed frame? How long ago have you purchased it?
Seller: Yes, got it a year ago. 
Buyer: What are the dimensions of it?
Seller: I don't know the exact dimensions, I know it is a full or twin. It is a really great natural wood solid built frame.
Buyer: Do you still have the mattress that went with it?
Seller: No I already had sold that off.
Buyer: Oh I see. I was willing to go a bit higher if that was available. This way I can only go up to about 110 dollars. Really sorry, I'm on a tight budget. Any wiggle room?
Seller: I could do 125?
Buyer: That's a fair offer. But maybe if I pick it up myself you can go down to 114?
Seller: alright
Seller: 
Buyer: 

Example Output: furniture

Example Input: Buyer: hello
Seller: Hello you interested in the computer?
Buyer: I am interested in getting repairs done to my phone
Seller: ok I do both computer repairs and phone repairs.
Buyer: Ok, I just need my phone's screen replaced. I have the screen already just can't do it myself. 
Seller: ok well I can do that for you for $15
Buyer: Ok, I can offer you $9
Seller: I can take $5 off since you're a new customer, making it cheap at $10
Buyer: Ok, sounds like a great deal. thank you
Buyer: 
Seller: I said $10 dollars not $9.  
Buyer: Yes I realized I entered 9 on accident when you'd said 10 lol, I am sorry
Seller: Well if you promise to refer customers to me I will give you the additional $1 off
Buyer: Ok, I do have a friend that plans to come with me and schedule a repair as well. Again I am sorry about entering the wrong number
Seller: not a problem.  
Seller: 

Example Output:
phone