Instruction: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
1st: InterDesign Forma Constant Tension Bathroom Shower Curtain Rod - 50-87", Large, Brushed Stainless Steel. Home & Kitchen. Bath. InterDesign.
2nd: SlipX Solutions Blue Square Shower Stall Mat Provides Reliable Slip-Resistance (21" Sides, 160+ Suction Cups, Great Drainage). Home & Kitchen. Bath. SlipX Solutions.
3rd: InterDesign Waterproof Mold and Mildew-Resistant Fabric Shower Curtain, 72-Inch by 72-Inch, White. Home & Kitchen. Bath. InterDesign.
4th: HUJI Stainless Steel Modern Bathroom Toilet Brush with Stand Can Cover Storage Design. Home & Kitchen. Bath. Huji.
5th: Stall Shower Curtain for Bathroom Water Repellent Fabric Mildew Resistant Washable Cloth (Hotel Quality, Eco Friendly, Heavy Weight Hem) with White Plastic Hooks (36" x...
6th: Standard Shower Curtain for Bathroom Water Repellent Fabric Mildew Resistant Washable Cloth (Hotel Quality, Eco Friendly, Heavy Weight Hem) with White Plastic Hooks (72" x...
7th: Sfoothome 72 Inch Wide x 78 Inch Long Hotel Fabric Shower Curtain Waterproof and Mildew Free Bath Curtains Heavy Weight, Pure White. Home & Kitchen...

Options:
A: HERNGEE Horse Head Single Wall Hook/Hanger Animal Shaped Coat Hat Hook Heavy Duty, Rustic, Decorative Gift, Black. Home & Kitchen. Storage & Organization. HERNGEE.
B: Koolertron Canvas Vintage Fashion Rucksack Laptop(14") Backpack Handbag for School Camping Travel Fits Acer Aspire/MacBook/Chromebook/Surface Pro/iPad/Google/Samsung Galaxy (14‘‘, Black). Electronics. Computers & Accessories. Koolertron.
C: Set of 12 Unfinished Wooden Napkin Rings for Crafting, Home Decor, and Creating. Home & Kitchen. Kitchen & Dining. Factory Direct Craft.
D: Garmin Compatible 12v Cigarette Lighter Power Adapter (StreetPilot III, GPSMAP 60 Series, GPSMAP 76 Series). Electronics. GPS, Finders & Accessories. Gilsson Technologies.
E: Garmin Small Tube Mount. Electronics. GPS, Finders & Accessories. Garmin.
F: Park Tool RBS-5 CM-5 Replacement Brush Set. Sports & Outdoors. Outdoor Recreation. Park Tool.
G: [2 Pack] Galaxy S9 Plus Screen Protector Tempered Glass, [Update Version] AVIGOR 3D Curved Dot Matrix [Full Screen Coverage] Glass Screen Protector [Case Friendly] for...
H: MagiDeal 32GB MP3 USB Music Player With LCD Screen FM Radio Voice Recorder Sliver. Electronics. Portable Audio & Video. MagiDeal.
I: Canon Powershot SX530 HS 16.0 MP Digital Camera with 50x Optical Zoom and 1080p Full HD Video Bundle Kit; Includes: NB-6L Battery, 32GB SDHC High...
J: PARACORD PLANET 1/16” Diameter Elastic Stretch Bungee Shock Cord in 10, 25, 50, 100, 250, 1000 Feet Options. Sports & Outdoors. Sports & Fitness. PARACORD...
K: Utopia Towels Premium 8 Piece Towel Set (Dark Grey) - 2 Bath Towels, 2 Hand Towels and 4 Washcloths Cotton Hotel Quality Super Soft and...
L: Galco Concealable Belt Holster for FN FNP 9/40. Sports & Outdoors. Sports & Fitness. Galco Gunleather.
M: Nispira Replacement Filter Set for Shark XFF350 & XHF35 Navigator Lift-Away NV350, NV351, NV352, NV355, NV356, NV357, NV360, NV370, NV391, UV440, UV490, UV540, 2 Sets...
N: XShields© (5-Pack) Screen Protectors for HP 8 1401 8" Tablet (Ultra Clear). Electronics. Computers & Accessories. XShields.
O: Sahoo Roswheel 14in1 Multi-Function Bicycle Tools Kit w/Tire Levers,Chain Rivet Extractor,Bicycle Pump for Bike in Triangle Bag - 21255 Black. Sports & Outdoors. Outdoor Recreation.
P: Signstek 6 Set LED Light Wine Flute Light Up Liquid Activated Champagne Glasses. Home & Kitchen. Kitchen & Dining. Signstek.
Q: Sony a6000 24.3 MP Mirrorless Camera with 16-50mm & 55-210mm Lens Bundle. Electronics. Camera & Photo. Sony.
R: ePhotoInc Photography 10' X 12' Blue Screen Muslin Backdrop Chromakey Photo Video Background 1012BLUE. Electronics. Camera & Photo. ePhotoinc.
S: shihua 10 Piece Square Chopstick Tetragonum Chopsticks 5 Pairs Spiral (Mix Color). Home & Kitchen. Kitchen & Dining. shihua.
T: Samsung SDC-8440BCB 720p HD Weatherproof IR Camera (White). Electronics. Camera & Photo. Samsung.
Answer: K