Instruction: Rank items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
1st: Serta Raised Air Mattress with Never Flat Pump. Home & Kitchen. Bedding. Serta.
2nd: Waring DB60 Portable Double Burner. Home & Kitchen. Kitchen & Dining. Waring.
3rd: Vickerman Carmel Pine Artificial Christmas Tree with Pine Cones and Burlap Base, 2'. Home & Kitchen. Seasonal Dcor. Vickerman.
4th: pH RESTORE Alkaline Water Pitcher Ionizer With 2 Long-Life Filters – Water Filter Purifier – Water Filtration System – High pH Alkalizer Machine, Enhanced 4th...
5th: Ninja Professional 72oz Countertop Blender with 1000-Watt Base and Total Crushing Technology for Smoothies, Ice and Frozen Fruit (BL610), Black. Home & Kitchen. Kitchen &...
6th: Ninja BL486 Personal Blender 1000-Watt Auto-iQ Base to Extract Nutrients for Smoothies/Juices and Shakes with (2) Stainless Steel 24 oz Cup and (1), 48 oz,...
7th: Warm Home Designs Pair of 2 Standard Size 54" (Width) x 84" (Length) Grey Charcoal Sheer Window Curtains. 2 Elegant Voile Panel Drapes are 108...
8th: Norpro 1-Quart Stainless Steel Mini Steamer Cooker, 3 Piece Set. Home & Kitchen. Kitchen & Dining. Norpro.

Options:
A: My Little Pony,"Best Friends" Micro Raschel Throw Blanket, 46" x 60". Home & Kitchen. Bedding. Hasbro.
B: Norpro French Fry Cutter-Fruit Wedger. Home & Kitchen. Kitchen & Dining. Norpro.
C: Copper Fit Compression Knee Sleeve, Knee Brace For Men & Women. Relief & Support From Arthritis, Tendonitis. For Weightlifting, Running, Basketball, Sports, Workout and Everyday...
D: C2G/Cables to Go 28003 - 15ft HD15 M/F SVGA Monitor Extension Cable with Ferrites. Electronics. Computers & Accessories. C2G.
E: Saturday Knight LTD Circo Love 'n Nature Peva Pastel Owls Shower Curtain. Home & Kitchen. Bath. Saturday Knight.
F: Cook N Home 9-Piece Ceramic Knife Set with Sheaths, Multicolor. Home & Kitchen. Kitchen & Dining. Cook N Home.
G: Protect-A-Bed Box Spring Encasement, Twin. Home & Kitchen. Bedding. Protect-A-Bed.
H: Utensil Set 4 Piece Heavy Duty Durable Melamine Basting Spoon Slotted Spoon, Solid and Slotted Turner Colorful Pattern on Over-sized Handles 13 Inches Kitchen, Outdoor...
I: iFrogz EarPollution Plugz Earbuds - Grape (EPD33-GRAPE). Electronics. Headphones. iFrogz.
J: Timolino 7010.10 20-Ounce Active Hydration Bottle Short, Ocean Blue. Home & Kitchen. Kitchen & Dining. Timolino.
K: Safavieh Antiquities Collection AT824B Handmade Traditional Oriental Grey and Multi Wool Area Rug (2'3" x 4'). Home & Kitchen. Home Dcor. Safavieh.
L: Opteka CS-300B Digital SLR Full Camera System Cyber Backpack (Black). Electronics. Camera & Photo. Opteka.
M: Over the Door Magazine Storage Pockets Hooks Books Organizational Back to School Office Home, 14'W x32"H, Color: Black & Silver. Home & Kitchen. Home Dcor...
N: Gold's Gym Weighted Gloves - 3 Lb. Pair. Sports & Outdoors. Sports & Fitness. Golds Gym.
O: C2G 10222 180 to 90 External Serial ATA Cable, Black (3.3 Feet, 1 Meter). Electronics. Computers & Accessories. C2G.
P: Retevis Walkie Talkie Antenna SMA-M Dual Band Antenna VHF/UHF 144MHz/430MHz Antenna Compatible Baofeng BF- UV3R YAESU VX-1R VX-2R VX-3R Retevis RT1 RT2 (1 Pack). Electronics...
Q: MaximalPower 2Pack Replacement Battery for Canon LP-E5 & EOS Rebel XSi,XS,T1i,EOS 450D,EOS 500D and EOS 1000D Camera. Electronics. Camera & Photo. MaximalPower.
R: TeckNet Laptop Cooling Pad, USB Powered Laptop Notebook Cooler Cooling Pad Fan Stand Laptop Chill Mat,Fits 12-17 Inches,5 Adjustable Heights. Electronics. Computers & Accessories. TeckNet.
S: Baltic Linen  Luxury Fashionable Reversible Solid Color Mini Quilt Sets,Black/Grey. Home & Kitchen. Bedding. BALTIC LINEN COMPANY, INC.
T: K&F Concept Lens Mount Adapter Compatible with Konica AR lens to Sony NEX E-Mount Camera Body, fits Sony NEX-3 NEX-3C NEX-5 NEX-5C NEX-5N NEX-5R NEX-6...
Answer: S