Given the task definition and input, reply with output. 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: hello, I understand you are interested in my drum controller
Buyer: Good morning, I am interested in your drum controller
Seller: DO you have any questions about it?
Buyer: Well, it is for my son who is still learning and will definitely need the software for it as well, I was wondering if the prices is negotiable
Seller: It is definitely negotiable and understandable since I know it is missing the software. However I am, pretty sure the software has a free download online.
Buyer: Ok, that is good to hear, I have 5 children and this is for my oldest, I now have 3 in band and cost are adding up fast lol. I would like to offer you $27
Seller: $27 is a little low for me, If I offered to meet you closer to where you were, could you do $37?
Buyer: If you can come down to 32, I will pick it up.
Seller: I think I can do that.
Seller:
Buyer:
electronics