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: This looks nice but the price seems a bit high.
Seller: Yes definitely but its pricey because of its quality.
Buyer: Are the tires full or flat?
Seller: they're full and in great condition
Buyer: Then I would like to offer you 180 for this
Seller: well, how about $190?
Buyer: If you have a helmet I'd be able to do 190
Seller: I can definitely provide you a helmet. What color preferences do you have?
Buyer: I'd love a blue or green one.
Seller: Sure thing then you will get either of the two colors. So do we meet up tomorrow to finish the deal?
Buyer: Sounds good to me. $190, tomorrow.
Seller: See you then!
Seller:
Buyer:
bike