Task: Sequential_Recommendation

system
You are a helpful assistant. The assistant first thinks about the reasoning process in the mind by using Belief-Desire-Intention (BDI) framework and then provides the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively. 
Below is an instruction that describes a task. After thinking, when you finally reach a conclusion based on the customer's intention, desire and belief, clearly state the BDI thinking process within <think> </think> and then the answer within <answer> </answer> tags.


user 
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:
Purchase History:
1st: Sigg Lifestyle Loop Top Water Bottle (1.0-Liters). Sports & Outdoors. Sports & Fitness. Sigg.
2nd: Sigg Classic Bottle. Sports & Outdoors. Sports & Fitness. Sigg.
3rd: Sigg Water Bottle - Traveller - Smoke Pearl - .6 Liter. Sports & Outdoors. Sports & Fitness. Sigg.
4th: Camelbak Mini-M.U.L.E. 50 oz Hydration Pack. Sports & Outdoors. Outdoor Recreation. CamelBak.
5th: Bobj Rugged Case for Samsung 7-inch Galaxy Tab 2 and Galaxy"Tab Plus" Wi-Fi and 3G/4G Models (Not for Tab3) - BobjGear Custom Fit - Sound...

Options:
A: ROTTWEILER Guard Dog 9"x12" ALUMINUM "ANIMALZRULE ORIGINAL DESIGN - "NO ONE ELSE IS AUTH0RIZED TO SELL THIS SIGN" (Any one else selling this sign is...
B: R-Gear Mens High-Speed Compression 5" Short. Sports & Outdoors. Sports & Fitness.
C: Meditating Buddha In Lotus Sky Blue Cookie Jar Happiness Inside Ceramic. Home & Kitchen. Kitchen & Dining. Botega Distributing.
D: Goldblatt G15856 Blade Runner Replacement Blades, 12- Pack. Home & Kitchen. Kitchen & Dining. Goldblatt.
E: Safavieh Chelsea Collection HK15A Hand-Hooked Black and Brown Premium Wool Area Rug (1'8" x 2'6"). Home & Kitchen. Home Dcor. Safavieh.
F: Heavy Duty Stainless Steel Mixing Bowls - 3 Sets of 4. Home & Kitchen. Kitchen & Dining. Winco.
G: Outdoor Wine Glass Holder by Bella D'Vine - 3 Attachments include Lawn Wine Stake For Picnics, Suction Base For Boats and Hot Tubs, Strap For...
H: Beachcombers SS-BCS-03177 Home Decor Products. Home & Kitchen. Home Dcor. Beachcombers.
I: Wine Chiller From Cucina Casa - 3-in-1 Featuring Aerator, Cooler and Spout Pourer - Elegant Stainless Steel Stick - The Perfect Gift for Men and...
J: Blow Torch - Creme Brulee Torch - Refillable Professional Kitchen Torch with Safety Lock and Adjustable Flame - Culinary Torch - Micro Butane Torch with...
K: Wilton 402-402 Ruffle Decorating Tip. Home & Kitchen. Kitchen & Dining. Wilton.
L: 2016 Newest Dell XPS 8900 Powerhouse Desktop (Intel Quad-Core i7-6700 Processor up to 4.0GHz, 16GB DDR4 RAM, 2TB HDD, NVIDIA GTX 745 4GB Graphics, DVDRW,...
M: New Star Foodservice 28003 Heavy Duty Pecan Nut Cracker, Nickel-plated Steel/wood Base. Home & Kitchen. Kitchen & Dining. New Star Foodservice.
N: Organize It All Expandable Chrome Bathtub Caddy/Tray. Home & Kitchen. Bath. Organize It All.
O: Action Mount Universal Conversion Adapter for Sport Camera Mounts, w/Camera Screw (1/4-Inch 20). This Simple Adapter Works with Point-and-Shoot Cameras, or Other Action Cameras Like...
P: Cold Steel 20AZ Bird & Game 7.25" Fixed Blade Knife. Sports & Outdoors. Sports & Fitness. Cold Steel.
Q: Jumping Beans Unicorn Hooded Bath Towel. Home & Kitchen. Bath. Jumping Bean.
R: M-Wave Bicycle Cycling Pannier Bag, Black/Grey . Sports & Outdoors. Outdoor Recreation. M-Wave.
S: LotFancy New Black keyboard for Gateway ID59 ID59C ID79C NV50A NV59A NV51B NV51M NV53A NV55C NV59C NV73A NEW95 PEW91 NEW90 MS2291 MS2230 Series; NV53A05u NV53A06u...
T: Marumi 77mm 77 DHG MC Lens Protect Slim Filter Japan. Electronics. Camera & Photo. Marumi.


assistant
Answer: R