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: GoPro HERO4 Session (Waterproof Camera, 8MP). Electronics. Camera & Photo. GoPro.
2nd: NZXT Kraken X61 280mm All-in-One CPU Liquid Cooling System (RL-KRX61-01). Electronics. Computers & Accessories. Nzxt.

Options:
A: PowerColor ATI Radeon HD5450 2GB DDR3 VGA/DVI/HDMI PCI-Express Video Card AX5450 2GBK3-SHV2. Electronics. Computers & Accessories. PowerColor.
B: Organic Bamboo Cooking Utensils Set, Unique Elevation Feature, 6 Piece Set, Wooden Spoons Spatula, Kitchen Utensil Set, High Heat Resistant, Wood Serving Spoon, Eco-Friendly &...
C: Silicone swim caps© – Black swimming cap to keep hair dry for men & women ~100% Satisfaction money back guarantee ~ Highly elastic & large...
D: Case Logic RBP-414 Intransit 14" Laptop Daypack, Black. Electronics. Computers & Accessories. Case Logic.
E: Hunter 30890 Total Air Sanitizer, Gunmetal. Home & Kitchen. Heating, Cooling & Air Quality. Hunter Fan Company.
F: Advent AW810 900 MHz Wireless Indoor/Outdoor Speaker System (Discontinued by Manufacturer). Electronics. Computers & Accessories. Advent.
G: Ameristep Bone Collector Hub Blind, Camoflauge. Sports & Outdoors. Sports & Fitness. Ameristep.
H: Cookbook People 4x6 Recipe Cards Plain with Just Lines and No Pictures. Home & Kitchen. Kitchen & Dining. Cookbook People.
I: Roman Ornamotor II Rotating Ornament Motor Hook, Set of 3. Home & Kitchen. Home Dcor. Roman Lights.
J: SmartGuard 2-Year Fitness Replacement Plan under $250. Electronics. Electronics Warranties. SmartGuard.
K: WHITE Skateboards T-TOOL ALL-IN-ONE TOOL Skateboards(item#111002). Sports & Outdoors. Outdoor Recreation. [BLANKNYC].
L: NewerTech MAXPower USB/eSATA 2x2 Host Adapter for OS X 10.6-10.8.2. Electronics. Computers & Accessories. NewerTech.
M: Clarion FZ409 MP3/WMA/AAC Receiver with USB Port (Discontinued by Manufacturer). Electronics. Car & Vehicle Electronics. Clarion.
N: Prom Court Satin Sash Party Accessory (1 count) (1/Pkg). Home & Kitchen. Event & Party Supplies. Beistle.
O: Maxxis Ardent EXC KV UST Tubeless Folding Mountain Bicycle Tire. Sports & Outdoors. Outdoor Recreation. Maxxis.
P: ADATA Premier DDR3 1333MHz 4GB Memory Modules (AD3S1333C4G9-R). Electronics. Computers & Accessories. ADATA.
Q: RMDLO Collapsible Colander Steamer, Stainless Steel. Home & Kitchen. Kitchen & Dining. RMDLO.
R: Thermaltake Commander FX SATA Powered 10 Port Fan Hub AC-007-AN1NAN-A1. Electronics. Computers & Accessories. Thermaltake.
S: RACING SPORST PRO AR15 M4 A1 A2 FRONT SIGHT DUAL HEAD ADJUSTMENT TOOL. Sports & Outdoors. Sports & Fitness. RACING SPORTS.
T: cable DVI-A to VGA Analog Video Adapter, DVI-A Male to HD15 Female (30DV-05200). Electronics. Accessories & Supplies. Cable.
Answer: R