You will be given a definition of a task first, then some input of the task.
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: I like the bike, but it is 37 years old. Is there some wiggle room on the price?
Seller: I know the age seems to be a factor but it is an original, I have taking care of this bike for many years and it is great for anyone who enjoys bike riding. I can listen to a few offers but be reasonable please.
Buyer: I could go $675
Seller: Your paying for a piece of history can you at least do $975.
Buyer: I could go $725 if you could deliver it/Ship it
Seller: well that is gonna cost me some money to deliver it to you. This bike has tradition and has all the original decals are still on it. It has new tubes and I even throw in a warranty.
Buyer: I can do $850, it's literally all i have for this purchase.
Seller: I can do at least $933 and give you the warranty, deliver it and even throw in an extra tire with rim.
Buyer: Deal!
Buyer:
Seller:
Seller:

Output:
bike