Instruction: Rank the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
1st: Speedo Teamster Backpack. Sports & Outdoors. Sports & Fitness. Speedo.
2nd: CamelBak Podium Big Chill Insulated Water Bottle (Discontinued Styles). Sports & Outdoors. Sports & Fitness. CamelBak.
3rd: Wolfbike WOSAWE Unisex Long Sleeve Shirt Cycling Jerseys Warm Riding Clothing. Sports & Outdoors. Outdoor Recreation. Wolfbike.

Options:
A: Primos Hunting PS222 THE GOBBLER Turkey Shaker. Sports & Outdoors. Sports & Fitness. Primos Hunting.
B: Plextor ConvertX Digital Video Converter (PX-M402U). Electronics. Computers & Accessories. Plextor.
C: Wusthof Grand Prix II Black 9 Piece Chef's Roll Kit. Home & Kitchen. Kitchen & Dining. Wsthof.
D: TDK BA100 In Ear Balancing Headphones (Discontinued by Manufacturer). Electronics. Headphones. TDK.
E: Hand Strap for Cameras or Camcorders. Electronics. Camera & Photo. HDE.
F: River's Edge Products Hand Painted Horse Wine Bottle Holder. Home & Kitchen. Kitchen & Dining. River's Edge Products.
G: Vivitar Twin Charger for NIKON ENEL14. Electronics. Camera & Photo. Vivitar.
H: Talking Tables Tea Party Floral Small Cocktail Napkins | Truly Scrumptious | Also Great For Birthday Party, Baby Shower, Wedding And Anniversary | Paper, 40...
I: BV Bicycle Light Set Super Bright 5 LED Headlight, 3 LED Taillight, Quick-Release. Sports & Outdoors. Outdoor Recreation. BV.
J: Gordon Ramsay Maze 16-Piece Dinnerware Set, Denim. Home & Kitchen. Kitchen & Dining. Gordon Ramsay.
K: PEACE NEST All Season White Down Comforter/Duvet Insert 100% Cotton Cover, King, White. Home & Kitchen. Bedding. Peace nest.
L: New Star Foodservice 38095 Angled Icing Spatula, 14.5-Inch, Silver. Home & Kitchen. Kitchen & Dining. New Star Foodservice.
M: Tzou HDMI Converter HD Output 720P 1080P (Supports Wii Display Modes NTSC 480i 480p, PAL 576i). Electronics. Accessories & Supplies. Tzou.
N: BARMOTI Wine Protector Bag - A Necessary Travel Accessories - Reusable and Handy Bags for Travelling - Environmentally Friendly - Spill Proof Wine Bottle Protector...
O: simplehuman Round Retro Step Trash Can, Stainless Steel, 4.5 L / 1.2 Gal. Home & Kitchen. Storage & Organization. simplehuman.
P: Smartphone Headset to PC Adapter Audio Cable 3.5mm Female To Dual 3.5mm Male for Skype/Voip. Electronics. Accessories & Supplies. CO RODE.
Q: DeSantis Die Hard S&W Shield Right Hand Black. Sports & Outdoors. Sports & Fitness. DeSantis Gunhide.
R: Diateklity Sweat Proof Sport Armband for Big Phones, 5.5 Inch, for iPhone 6 6S Plus (Fits Otterbox Case) - Ideal for Running and Other Exercise...
S: Hosley Set of 18 Clear Glass LED Tea Light Holders - 3" Diameter. Ideal Gift for Weddings, Party, Spa, Reiki, Meditation, Votive Candle Gardens. W1...
T: LB1 High Performance New Replacement Laptop Battery for Dell Latitude Precision (LB-DE36D-66-LAT-D631-Y). Electronics. Computers & Accessories. LB1 High Performance.
Answer: I