Q: 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.
Seller: Hi, I have an iPhone for $200.  Are you interested?  It's unlocked.
Buyer: Yes, i am interested but the price is a bit high for me. I will offer 120 for it. Are there any problems with it?
Seller: No problems with the phone.  It works great.  I can give you a free headset too for the price of $200.  deal?
Buyer: I can't do 200. But, I can do 140
Seller: The phone is worth a lot more than that.  I can come down to $190 if you can pick it up today.  I'll still give you the headset.  deal?
Buyer: Okay, well how about we meet halfway. 170?
Seller: If you can come up to $177, we have a deal.  
Buyer: okay, that works for me. deal
Seller: 
Buyer: 

A:
phone