Instruction: Rank the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
1st: Pioneer DEH5400 / DEH-5400BT / DEH-5400BT CD Receiver with USB/Aux/Bluetooth. Electronics. Car & Vehicle Electronics. Pioneer.
2nd: AMD CPU Fan Bracket Base for AM2 AM2+ socket. Electronics. Computers & Accessories. AMD.
3rd: Maxell EC-150 Wired Lightweight Soft Touch Rubber Cord Stereo Line Ear Clips 30mm Drivers, Black (190561). Electronics. Headphones. Maxell.
4th: BestDealUSA USB Bluetooth Stereo Audio Music Receiver, 3.5 mm. Electronics. Car & Vehicle Electronics. BestDealUSA.

Options:
A: Waist Trimmer Ab Belt (Ultimate Edition – Black) - Adjustable Weight Loss Sauna Belt For Men & Women With FREE Carrying Bag - Provides Lower...
B: Holmes HQH319-U Quartz Tower Heater with 1Touch Electronic Thermostat. Home & Kitchen. Heating, Cooling & Air Quality. Holmes.
C: Home Basics Birdsong Collection Cutlery Holder. Home & Kitchen. Kitchen & Dining. Home Basics.
D: Wusthof Grand Prix II 7 inch Santoku Knife with Bamboo Cutting Board. Home & Kitchen. Kitchen & Dining. Wsthof.
E: MyFrameStore Imperial Frames 10 by 13-Inch/13 by 10-Inch Picture/Photo Frame, Thin Fancy Rope Shaped Gold Molding. Home & Kitchen. Home Dcor. MyFrameStore.
F: Two Topless Girls Embracing, Photo Print Poster - 24x36 Poster Print, 24x36. Home & Kitchen. Wall Art. Generic.
G: PREXWARE Bamboo Party Forks for Party Buffet Mini Forks 3.5 Inch 100 Ct. Home & Kitchen. Kitchen & Dining. Prexware.
H: AIR WING Slim The Original Air Conditioner Deflector (Set of 1). Home & Kitchen. Heating, Cooling & Air Quality. AIR WING.
I: Panasonic drops360° Premium in-Ear Stereo Headphones with Mic + Controller RP-HJX6M-R (Metallic Red) with Travel Pouch, Powerful Bass. Electronics. Headphones. Panasonic.
J: Office Star 5 Shelf Corner Ladder Bookcase, Espresso Finish. Home & Kitchen. Home Dcor. Home Star.
K: Wooden Food Serving Trays with Handles - Nesting Trays - Stackable - for Breakfast in Bed, Coffee Table, Parties, Hosting, More - Elegant Paris Theme...
L: DROK Ultra Small Mini DC Power Module DC 3V to 5V 1A USB Battery Converter Step Up Module Charge for MP3/MP4/Phone Samsung Galaxy S3 iPad...
M: Proman Products VL16123 Chair Valet. Home & Kitchen. Furniture. Proman Products.
N: Sunbeam Heated Electric Blanket Quilted Fleece Royal Dreams King Mocha Brown. Home & Kitchen. Bedding.
O: D-Link DIR-860L IEEE 802.11ac Wireless Router. Electronics. Computers & Accessories. D-Link.
P: Ice Pop Molds 4 Piece Set with Sipper Straws for Added Convenience - Popsicle Maker - Make Healthy Juice Bars Sorbet Sherbet Pops. Home &...
Q: Outdoor Tech OT1800 Turtle Shell 2.0 - Rugged Water-Resistant Wireless Bluetooth Hi-Fi Speaker (Electric blue). Electronics. Portable Audio & Video. Outdoor Technology.
R: CablesOnline 6ft RG8x Coax UHF (PL259) Male to BNC Male Plug 50 OHM Antenna Ham Radio Cable (R-UB006). Electronics. Accessories & Supplies. CablesOnline.
S: Outdoor Research Aquifer Sombrero. Sports & Outdoors. Outdoor Recreation. Outdoor Research.
T: Speedo Junior Hyperdeep Mask. Sports & Outdoors. Outdoor Recreation. Speedo.
Answer: O