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.

Ex Input:
Seller: yo yo yo
Buyer: Hi there can you tell me a little more about this Bike please.
Seller: sure bro, it's a fully custom bmx built to riiiiiiiiide, aftermarket everything, benny bars, pegs, seat and post, head set, its a sick bike
Buyer: the add doesn't say how big the bike is i'm worried my 11 year old son will be to tall for it.. 
Seller: its 20 in, perfect for a 11 year old
Buyer: would you take $300 for it?
Seller: I wish i could man, I've got twice that just in after market parts, at $500 this thing is a steaaaaal
Buyer: how about $350 
Seller: $450 is my rock bottom, this thing is fully custom, you're 11 year old will be the coolest kid on the sideway
Buyer: hmmmm 450 is a little pricey, but ok ill take it :)  
Buyer: 
Seller: 


Ex Output:
bike


Ex Input:
Buyer: Hello@
Seller: Hi. Thank you for responding to my ad? I see you are in the market for a IPHONE 6.
Buyer: Sorry for the typo. Yes, I am interested in the phone, but it only has 16 GB?
Seller: Yes sir. Since the data requirement is too low, I'm willing to give it you for 250.00.  
Buyer: I see. I'm wondering about the screen since I can't see it in the picture. Is it cracked or damaged at all?
Seller: No sir. The screen is perfect! 
Buyer: Would you accept $235 cash for it, and I'll pick it up?
Seller: What about 250.00? I will even through in a free phone case for you? Are you willing to meet me there?
Buyer: With a free phone case, and if you meet me, I'll pay $250.
Buyer: 
Seller: 


Ex Output:
phone


Ex Input:
Buyer: Hello
Seller: Hi there. How can I help you?
Buyer: I'm interested in your sound system. Does the remote work?
Seller: Yes the remote works very well, and its a great piece of equipment to have. 
Buyer: I'm not so sure if I know how to hook it up. Is it difficult? Could you show me how if i bought it?
Seller: Yes for sure I can do that! I can even send you paper instructions with it to help you do that
Buyer: Oh that would be helpful. Well how about $100? It's pretty old and doesn't even have an input for mp3s
Seller: Well my friend, this instrument is old but its an asset. Its something which was very well worth it. I can give it to you for 150 
Buyer: I understand, and I'm definitely interested as I still have many CDs. Would you be able to take $120 cash if I come and pick it up?
Seller: Okay I guess I could do that.Would you pay cash or credit?
Buyer: Cash, today!
Buyer: 
Seller: 


Ex Output:

electronics