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: M1A / M14 Bipod Adapter. Sports & Outdoors. Sports & Fitness. MIM Manufacturer bipod accessory.
2nd: Plano All Weather Double Scoped Rifle/Shotgun Wheeled Case, Green. Sports & Outdoors. Sports & Fitness. Plano.

Options:
A: BuyCheapCables® (3 Feet) Premium Slim Braided Jacket Toslink Digital Optical Audio Cable with Gold Plated Metal Connectors (3 Ft). Electronics. Accessories & Supplies. BuyCheapCables.
B: J.K. Adams 20-Inch-by-6-Inch Maple Wood Artisan Bread Plank. Home & Kitchen. Kitchen & Dining. J.K. Adams.
C: Omega O660 Food Pro 11-Cup Premier Food Processor. Home & Kitchen. Kitchen & Dining. Omega.
D: Hamilton Beach 04161 TrueAir HEPA Air Purifier with UV Germicidal Light. Home & Kitchen. Heating, Cooling & Air Quality. Hamilton Beach.
E: Brew Paddle 24" Ss. Home & Kitchen. Kitchen & Dining. Bayou Classic.
F: TERK Dual-Drive, Amplified Indoor FM Antenna. Electronics. Accessories & Supplies. Terk.
G: Kenmore Bagged Extra-suction Vacuum Cleaner 24196. Home & Kitchen. Vacuums & Floor Care. Kenmore.
H: JJC SB700 Professional Bounce Diffuser for Nikon SB700 (White). Electronics. Camera & Photo. JJC.
I: Thames and Kosmos Biology Tk2 Scope. Electronics. Camera & Photo. Thames & Kosmos.
J: Thai Sticky Rice Steamer (basket only). Home & Kitchen. Kitchen & Dining. Thailand.
K: OMOTON iPad Pro Case Sleeve, Waterproof Neoprene Cushion Protective Sleeve for Apple iPad Pro (12.9 inch, 2015 Released), Fashion Mix & Match Style with built-in...
L: EVERTECH HD CCTV 168HYB V.1 Compatible with AHD & Analog & TVI & CVI DVRsWeatherProof Hybrid Dome Lens Dome and Night Vision Home Security Camera...
M: Tone Fitness Stability Ball. Sports & Outdoors. Sports & Fitness. Tone Fitness.
N: EMVA Sports Jump Rope ProBox I The only Available All in one Carrying case Fitness Solution for The Practical & Fashionable. Sports & Outdoors. Sports...
O: Better Homes and Gardens Tropical Pina Colada Wax Cubes. Home & Kitchen. Home Dcor. Better Homes and Gardens.
P: Sceptre E243RV-FHD 23-Inch LED-Lit 1080p 60Hz HDTV (Red). Electronics. Television & Video. Sceptre.
Q: CablesOnline Cat5e/Cat6 RJ45 Ethernet Male/Female Right Angle Adapter. RJ45/ 8P8C Female to RJ45/ 8P8C Male, U-R45B. Electronics. Computers & Accessories. CablesOnline.
R: Plano All Weather Tactical Gun Case, 42-Inch. Sports & Outdoors. Sports & Fitness. Plano.
S: Chinese Lanterns White 10-Pack, Festival Paper Lanterns, Sky Lanterns Designed for Holidays, Birthdays, Weddings, Parties. Safe To Use, Flame-Retardant Paper and Bamboo Frame With Bonus...
T: Jensen JDABIPDL Generation 9' Long Black iPod & iPhone Interface Cable. Electronics. Portable Audio & Video. Jensen.
Answer: R