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: Monstrum Tactical Ruger 10/22 Picatinny Rail Mount for Scopes and Optics. Sports & Outdoors. Sports & Fitness. Monstrum Tactical.
2nd: RitFit 2" Olympic Barbell Collars (Pair) - Solid Nylon Locking Clamps with Quick Release Secure Snap Latch - Great for Crossfit, OHP, Squats, Deadlifts, Cleans,...

Options:
A: WD Blue 160 GB Desktop Hard Drive: 3.5 Inch, 7200 RPM, PATA, 8 MB Cache - WD1600AAJB. Electronics. Computers & Accessories. Western Digital.
B: Think Crucial 2 Replacements for Eureka PMF1 Foam Filter Fits 8800, 8850 & 8900 Series, Compatible With Part # 77583 & 77583-33N. Home & Kitchen...
C: Lemon Squeezer Lemoment with Lifetime Guarantee - Best Stainless Steel with Silicone Handles, Lemon Juicer - Recommended in Any Kitchen Can Squeeze Citrus Too -...
D: Under Armour Men's Resistor Low-Cut Socks (6 Pack). Sports & Outdoors. Sports & Fitness. Under Armour.
E: Moeller Boat Deck and Baitwell Plug (1/2"). Sports & Outdoors. Sports & Fitness. Moeller Marine.
F: Crock-Pot 2 Qt Slow Cooker - Red. Home & Kitchen. Kitchen & Dining. Crock-Pot.
G: CamelBak Podium Chill Insulated Water Bottle (Discontinued Styles). Sports & Outdoors. Sports & Fitness. CamelBak.
H: iFox Creations IFD8 Bluetooth Portable Speaker with Stereo Sound-Wireless, SD Card, AUX, FM Radio + Speakerphone - Compatible with All Bluetooth Devices - Link Multiple...
I: UGREEN 2 Pack Ethernet Cable Cat7 Flat Networking Cord Patch Cable RJ45 10 Gigabit 600Mhz Lan Wire Cable STP for Modem, Router, PC, Mac, Laptop,...
J: Disney Princesses Palace Pets Fabulous Friends 72 by 86-Inch Reversible Microfiber Comforter, Twin/Full. Home & Kitchen. Bedding. Disney.
K: SMALLRIG Clamp Mount with Ball Head Mount Hot Shoe Adapter and Cool Clamp - 1124. Electronics. Camera & Photo. SmallRig.
L: PANOVO® Universal 1/4"-20 Camera Accessory Mount to Hot or Cold Shoe with Mini Ball Head - Multi-Function Swivel Joint with Removable Cold Shoe Mount for...
M: Skullcandy Uprock Headphones with Mic 8 Bit Granny Floral/Black/Red, One Size. Electronics. Headphones. Skullcandy.
N: Lenntek Sonix Earbuds - 3 Braided Cord with Microphone for iPhone 3G/SmartPhones - Black. Electronics. Headphones. Lenntek.
O: Case Cutlery Case Amber Bone Tear Drop Pocket Knife. Sports & Outdoors. Outdoor Recreation. Case.
P: Lightspeed ZULU Premium ANR Aviation Headset (Battery Power, Straight cord, Standard Dual GA Plugs). Electronics. Car & Vehicle Electronics. Lightspeed.
Q: Blue Q Dick and Jane Cookies Zipper Pouch. Home & Kitchen. Bath. Blue Q.
R: Father's Day Gift for Grandpa Best Poppy Ever Gift Coffee Mug Tea Cup White. Home & Kitchen. Kitchen & Dining. ThisWear.
S: Fat Daddio's Chocolate & Candy Mold, Shell, 18 pcs. Home & Kitchen. Kitchen & Dining. Fat Daddios.
T: CROSSWALKS Bear Family Crossing 12" X 12" Aluminum Sign. Home & Kitchen. Home Dcor. CROSSWALKS.
Answer: D