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

Input:
Purchase History:
1st: Cleatskins Premier Cleats. Sports & Outdoors. Outdoor Recreation. Cleatskins, Inc.
2nd: Mikasa Goal Master Soccer Ball (Size 5). Sports & Outdoors. Sports & Fitness. Mikasa Sports.
3rd: Tommie Copper Men's Performance Triumph Knee Sleeve. Sports & Outdoors. Sports & Fitness. Tommie Copper.
4th: Adidas Elite Traxion Soccer Socks. Sports & Outdoors. Sports & Fitness. adidas.

Options:
A: Big Agnes Big Easy Chair Kit. Sports & Outdoors. Outdoor Recreation. Big Agnes.
B: Harris Style 6-9 inch Tactical Bipod, Sling Connection, 6 Levels, Weaver Mount Adapter INCLUDED!!! BSS®. Sports & Outdoors. Sports & Fitness. BSS.
C: Takeya Double-Wall Glass Tea/Coffee Tumbler, Green, 16-Ounce. Home & Kitchen. Kitchen & Dining. Takeya.
D: Madison Park Athena 6 Piece Jacquard Duvet Set, Full/Queen, Blue. Home & Kitchen. Bedding. Madison Park.
E: Kitchen Details Manual Food Chopper with Rotating Stainless Steel Blades. Home & Kitchen. Kitchen & Dining. Kitchen Details.
F: Packin Tee V-NECK Holster Shirt / Shoulder Holster-Deep Conceal-Concealed Gun Shirt, Cross Draw Holster, More Versitile Than a 5.11 Tactical S/S Holster Shirt. Sports &...
G: Creature Cups Octopus 15oz. Home & Kitchen. Kitchen & Dining. Creature Cups.
H: Hampton Nautical  Wooden Anchor Coasters with Rosewood Holder (Set of 6), 3". Home & Kitchen. Home Dcor. Hampton Nautical.
I: 2 Pack Xffv300 Filter for Shark Rocket Foam & Felt Filter Hv300, Hv310 Series, Part # Xffv300 and 1080ftv320, Designed & Engineered By Anicell. Home...
J: Youbedo 1 Half Pint Blown Glass Mini Milk Creamer Carton Container Glass Mini Milk Collect Bottle. Home & Kitchen. Kitchen & Dining. Youbedo.
K: Brother 1/2 Inch x 26.2 Feet Black on Metallic Pink for P-Touch (ME31) - Retail Packaging. Electronics. Accessories & Supplies. Brother.
L: Smays Micro USB OTG Memory Card Reader + Hub for Samsung Galaxy i9220 i9100 Moto Xoom Nokia C7 S2 Sony LT26i. Electronics. Computers & Accessories...
M: Copperfield 61302 23 Inch One Piece Cast Iron Grate, 23 Inch Front x 18 Inch Back x 12 Inch Deep, Leg Height 2 1/8 Inch,...
N: ERLOOD Nude Beach Swimsuits Optional Retro Vintage Metal Tin Sign 12" X 8". Home & Kitchen. Home Dcor. ERLOOD.
O: Darice®Fancy Gold Ornament Hooks, Gold Ornament Hanger for Collectibles, Pack of 18. Home & Kitchen. Seasonal Dcor. Darice.
P: HANGERWORLD 20 Blue Coating 16inch Metal Wire 13 Gauge Pants Bar Coat Clothes Garment Hangers. Home & Kitchen. Storage & Organization. HANGERWORLD.
Q: Excelvan Wake-Up Light Round with Sunrise Simulation Alarm Clock Natural Sound and FM Radio, White. Home & Kitchen. Home Dcor. AwesomeWare.
R: BlueDot Trading Adult Scrimmage Training Vests, Multiple Colors and Quantities. Sports & Outdoors. Sports & Fitness.
S: dbest 00-022 Stuffed Animal Organizer. Home & Kitchen. Furniture. dbest products.
T: 5 in 1 All Purpose Jar Bottle Opener (5 in 1 All Purpose Jar Bottle Op. Home & Kitchen. Kitchen & Dining. North Coast Medical.


assistant
Answer: R