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: IPEVO VZ-1 HD VGA/USB Dual-Mode Document Camera (CDVU-05IP). Electronics. Camera & Photo. Ipevo.
2nd: Nest Cam & Dropcam Pro Outdoor Camera Enclosure in White, 100% Night Vision Guaranteed & Weatherproof - by Dropcases - Available in 9 Different Colors,...
3rd: Sony FDR-AX53/B 4K Handycam Camcorder Deluxe Bundle includes Handycam, 55mm Filter Kit, Battery x 2, Charger, 64GB SDXC Memory Card x 2, Bag, Tripod, Card...

Options:
A: Velocity Nylon 600D CD Wallet (224 capacity, Black). Electronics. Accessories & Supplies. Velocity.
B: Callaway 2016 Chrome Soft Golf Balls (2 or 3 or 6 Dozen), (White or Yellow or Truvis Pattern). Sports & Outdoors. Sports & Fitness. Callaway.
C: Nathan Peak Waist Pack. Sports & Outdoors. Sports & Fitness. Nathan.
D: Smith & Wesson - Hostiles Tin Sign 13 x 16in. Sports & Outdoors. Fan Shop. Desperate Enterprises.
E: Travel Size Traction Pad - Personal Size - Made for One Player.- NEVER needs replacement sticky sheets. With GEL MAT Technology. MADE IN AMERICA. Sports...
F: Hello Kitty Hooded Towel. Home & Kitchen. Kids' Home Store. Hello Kitty.
G: RCA RMW991-Blue 0.9 Cu-Ft Microwave. Home & Kitchen. Kitchen & Dining. RCA.
H: Tough 1 Vented Sport Boots Front. Sports & Outdoors. Sports & Fitness. Tough 1.
I: KFD 32V 1560mA AC Adapter for HP 0957-2230 0957-2271 0957-2105 0957-2259 0950-4476 0957-2289 0957-2242 0957-2269; HP 6000 6500 6800 7000 7188 7288 7388;DeskJet 6520 6540Xi...
J: Niles DPS1 Black (FG00003) Amplifier/Speaker A-B Selector. Electronics. Accessories & Supplies. Niles.
K: Kay Dee Designs A8359 Petroglyphs Southwest Flour Sack Towels (Set of 3). Home & Kitchen. Bath. Kay Dee.
L: adidas Performance Men's Ultimate Fleece Slim-Fit Pant. Sports & Outdoors. Sports & Fitness. adidas.
M: Victorinox Swiss 2 Piece Stainless Steel Utility and Paring Knife Set with Pink Fibrox Handles. Home & Kitchen. Kitchen & Dining. Victorinox.
N: Goldline Universal Slip-On 4 Passenger Golf Cart Cover. Sports & Outdoors. Sports & Fitness. Gold Line.
O: iClooly Phonestand Plus Phone Handset and Desktop Stand for iPhone 6S, 6, Samsung Galaxy, LG and Smartphone. Electronics. Headphones. IClooly.
P: Emi-Yoshi 50 Piece Petite Elegant Mini Tasting Appetizer Spoons. Home & Kitchen. Kitchen & Dining. e.
Q: Rockford P400X1 Punch 1-Channel Mono Block Amplifier. Electronics. Car & Vehicle Electronics. Rockford Fosgate.
R: MiSafes 1280x720p HD C303-1 Mini Wireless Surveillance Camera with Microphone Speaker with 2 Way Talk & Remote Monitoring System for iOS & Andriod App, White...
S: Tenergy T-3969A1 Plug-in Type Speedy Rechargeable Battery Charger for AA, AAA, 9V Batteries. Electronics. Camera & Photo. Tenergy.
T: B+W 62mm XS-Pro Clear UV Haze with Multi-Resistant Nano Coating (010M). Electronics. Camera & Photo. B + W.
Answer: R