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: Kershaw Military Knife with 1 Piece, Drop Forged 1.4116 German Stainless-Steel. Sports & Outdoors. Outdoor Recreation. Kershaw.
2nd: Caldwell 7 Rest Adjustable Ambidextrous Adjustable Rifle Shotgun Gun Shooting Rest for Outdoor Range. Sports & Outdoors. Sports & Fitness. Caldwell.
3rd: Wheeler Scope Mounting Kit Combo, 1-Inch/30mm - 545454. Sports & Outdoors. Sports & Fitness. Wheeler.
4th: Burris Signature 1" Zee Rings. Sports & Outdoors. Sports & Fitness. Burris.
5th: Vortex Optics Viper PST Second Focal Plane Riflescopes. Sports & Outdoors. Sports & Fitness. Vortex Optics.
6th: Burris Signature Zee Rings, High, Matte. Sports & Outdoors. Sports & Fitness. Burris.
7th: Texsport Jumbo Easy Set-Up Folding Sleeping Camp Cot. Sports & Outdoors. Outdoor Recreation. Texsport.
8th: VISM by NcStar  Rifle Case Shooting Mat. Sports & Outdoors. Sports & Fitness. NcSTAR.

Options:
A: Zyliss E910015U Easy Pull Chopper and Manual Food Processor-Vegetable Slicer and Dicer-Hand Held. Home & Kitchen. Kitchen & Dining. Zyliss.
B: Winware  Madison 8qt Full-size Chafer, Roll-top, S/S, Heavyweight. Home & Kitchen. Kitchen & Dining. Winware.
C: 500GB 5400RPM 2.5" SATA MacBook Pro Hard Drive 984. Electronics. Computers & Accessories. Apple.
D: DMW-BLE9, DMW-BLE9E, DMW-BLE9PP compatible Li-Ion Battery (940mAh) for Panasonic Lumix DMC-GF3, DMC-GF3K, DMC-GF3R, DMC-GF3P, DMC-GF3T, DMC-GF3W, DMC-GF3CW, DMC-GF3CT, DMC-GF3CR, DMC-GF3CK. Electronics. Camera & Photo. Neewer.
E: Vapur 10114 - Mix It Up Cap Packs (2 Sport Caps, 2 Screw Caps, and 2 Dust Covers). Home & Kitchen. Kitchen & Dining. Vapur.
F: Garibaldi Electric Fireplace Heater 50-Inch Wall Mounted, Hanging Flat Panel, Log Flame, Black. Home & Kitchen. Heating, Cooling & Air Quality. Garibaldi Heating.
G: Dynamic - 30 Pin to 8 Pin Adapter for Charger with Extension for Mobile Devices - White. Electronics. Portable Audio & Video. Dynamic Products.
H: Gore Bike Wear Men's Windstopper  Base Layer Turtleneck Top. Sports & Outdoors. Outdoor Recreation. GORE WEAR.
I: Click to open expanded view Narita HND® 1.0 L Electric Glass Kettle ,Double Wall Kettle ,1000 Watt Max. Home & Kitchen. Kitchen & Dining. Narita.
J: Intuos 3 4x5 PTZ430 Tablet Only with Software Bundle. Electronics. Computers & Accessories. Intuos4.
K: Rothco Aluminum 1-Quart Canteen and Pistol Belt Kit .  Rothco.
L: NEW, Official NFL Team Furniture Cover, Reversible (Recliner - Patriots) 80" x 65". Home & Kitchen. Home Dcor. Pegasus Home Fashions.
M: Arizona Rim Country Prod Carbon Mini Ez Fletch Arms. Sports & Outdoors. Sports & Fitness. Arizona Rim.
N: MAGIPEA Cellphone Stand Holder Clip Grip Flexible Long Arm Gooseneck Bracket Mount Clamp Compatible for iPhone X/8/7/6/6s Plus Samsung Galaxy S8/S7 Note 8/9 - Black...
O: Fitness Republic Stability Ball with Pump (Exercise Ball / Gym Ball). Sports & Outdoors. Sports & Fitness. Fitness Republic.
P: Canon TS-E 24mm f/3.5L Tilt Shift Lens for Canon SLR Cameras. Electronics. Camera & Photo. Canon.
Q: RioRand(TM) 433MHz Superheterodyne RF Link transmitter and receiver kits 3400 for ARM / MCU. Electronics. Computers & Accessories. RioRand.
R: Coaster Home Furnishings Rectangular Chairside Table with Drawer Cherry. Home & Kitchen. Furniture. Coaster Home Furnishings.
S: ANNKE 8 Channel Security Camera System 5-in-1 1080P lite H.264+ DVR with 1TB Surveillance Hard Disk Drive and (4) 1080P 2.0MP Weatherproof HD-TVI Bullet Cameras,...
T: BLACK+DECKER Steam Iron with Pivoting Cord, Nonstick Soleplate, Blue, F210. Home & Kitchen. Irons & Steamers. BLACK+DECKER.
Answer: K