Definition: 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.
Input: Buyer: Love those wheels. How old are they?
Seller: Hi, they are from the eighties, were on my son's bike
Buyer: How much? I am kind of poor, hence MT.
Seller: Well, i need to get rid of them, I was asking 80 but would take 40 for them.
Buyer: Could I buy just one? Bozo just needs one for his unicycle. His career is dependent upon the wheel. He does not have SS.
Seller: Well I really wanted to sell the pair. Do you have a bike to trade? I would take that or if it was just one it would be 25.
Buyer: Bozo could come over and entertain you...
Seller: Haha, I am scared of clowns but my grandkids might like it, how about 15 for one wheel.
Buyer: $15 it is, with a clown act for the grandkids.
Seller:
Buyer:

Output:
bike