Instruction: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
1st: Slendertone Abs5 Abdominal Muscle Toner - Core Abs Workout Belt - Black. Sports & Outdoors. Sports & Fitness. Slendertone.
2nd: Heavy Duty Speed Ball Punching Bag + Gloves + Hook + New. Sports & Outdoors. Sports & Fitness. Lastworld.
3rd: Contender Fight Sports Synthetic Leather Boxing MMA Muay Thai Fitness Workout Training Punching Speed Double End Bag. Sports & Outdoors. Sports & Fitness. Contender Fight...
4th: Ringside Mexican-Style Swivel. Sports & Outdoors. Sports & Fitness. RINGSIDE.

Options:
A: HDView Mini Eyeball 2.4MP 4-in-1 HD (TVI/AHD/CVI/960H) SONY Sensor Turbo Platinum IR Dome Camera 3.6mm Lens Megapixel 1080P Door Frame. Electronics. Camera & Photo. HDView.
B: NHI Express Anthony Recliner, Mocha. Home & Kitchen. Furniture. NHI Express.
C: Brown Jersey Loveseat Stretch Slipcover Couch Cover, Love Seat Cover Sofa Recliner Chair, Kashi Home (Love Seat). Home & Kitchen. Home Dcor. Kashi Home.
D: Ray Cook Golf- Shot Saver Alien Wedge. Sports & Outdoors. Sports & Fitness. Ray Cook.
E: Kensington Protective Back Cover For iPad 3 and iPad 2 (K39354US). Electronics. Computers & Accessories. Kensington.
F: Tovolo Sphere Ice Molds - Set of 4. Home & Kitchen. Kitchen & Dining. Tovolo.
G: Mini Portable Bottle Cap Air Humidifier with USB Cable for Office Home, Blue Color. Home & Kitchen. Heating, Cooling & Air Quality. Grace Shopping.
H: Sony MDR-1ABT (Black) High-Resolution Audio Wireless Stereo Headset with Bluetooth NFC (Japan Import). Electronics. Headphones. Sony.
I: Hilly Men's Twin Skin Anklet Socks. Sports & Outdoors. Sports & Fitness. Hilly.
J: Bern Unlimited Watts EPS Matte Finish Snow Helmet with Black Knit. Sports & Outdoors. Outdoor Recreation. Bern.
K: Body-Solid Leverage Squat and Calf Raise Machine (GSCL360). Sports & Outdoors. Sports & Fitness. Body-Solid.
L: SugarHouse Outdoor Air Conditioner Cover - Premium Marine Canvas - Made in the USA - 5-Year Warranty - 30" x 30" x 36" - Gray...
M: überleben Lumen Fire Starter | Glow-in-The-Dark Luminous Handle | 5/16” Thick Fire Steel | Bushcraft Ferro Rod with Multi-Tool Striker | 12,000 Strikes | Survival...
N: Under Armour Men's HeatGear Armour Long Sleeve Compression Shirt. Sports & Outdoors. Sports & Fitness.
O: Kind Shock Adjustable Seatpost 31.6mmx385mm Travel: 100mm 20mm Offset Handlebar Remote, Black. Sports & Outdoors. Outdoor Recreation. Kindshock.
P: NCAA Nebraska Cornhuskers Chrome Plate Frame. Sports & Outdoors. Fan Shop. Rico Industries.
Q: Monoprice Universal Electronics Travel Organizer (110075). Electronics. Computers & Accessories. Monoprice.
R: Netis ST3108S 8-Port 10/100M Desktop Switch, Auto-negotiation and Plug and Play. Electronics. Computers & Accessories. Netis.
S: MiraTekk Hydration Belt for Running with Water Bottles (2x BPA-free) and arm led Fits iPhone 6s 7s 8s plus X - Soft Neoprene Fuel Belt...
T: HDMI Switch 4K, Goodes 5 Ports HDMI Switch Box with Remote and AC Power Adapter for PS4 Xbox Fire Stick, Roku, Nintendo Switch, Apple TV,...
Answer: K