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: Roku 2 XD Streaming Player 1080p (Old Version). Electronics. Television & Video. Roku.
2nd: Thermaltake TR2 500W 80+ Bronze ATX 12V 2.4/EPS 12V 2.92 Power Supply PS-TR2-0500NPCBUS-B. Electronics. Computers & Accessories. Thermaltake.

Options:
A: KOUBOO 1060010 Rattan Utility Basket, 17.2" x 12.8" x 9.2", Bronze. Home & Kitchen. Storage & Organization. Kouboo.
B: 7.62x39mm Cleaning Kit- Polish Military Surplus. Sports & Outdoors. Sports & Fitness. Acme Approved.
C: Berkley Spiral Fishing Rod Holder. Sports & Outdoors. Sports & Fitness. Berkley.
D: Zalman VF700-Cu Copper Ultra-Quiet VGA Video Card Cooler. Electronics. Computers & Accessories. Zalman.
E: SinLoon24 - Pack) Non-Trace Wall Picture Hook Frame Wedding Photos Mirror Wall Studs White, Large. Home & Kitchen. Storage & Organization. SinLoon.
F: Under Armour Men's ColdGear Armour Printed Compression Leggings. Sports & Outdoors. Sports & Fitness. Under Armour.
G: USB Male Plug Converted to PS2 Female Cable Adapter Cyan Colour for Computer Mouse Keyboard. Electronics. Computers & Accessories. Coomoors.
H: Rico NHL Molded Auto Emblem. Sports & Outdoors. Fan Shop. Rico Industries.
I: White Finish Solid Wood Storage Shoe Boot Bench Shelf Rack. Home & Kitchen. Storage & Organization. eHomeProducts.
J: HIVIZ Mpb Tactical Plain Barrel Grn. Sports & Outdoors. Sports & Fitness. Hi-Viz.
K: Ambesonne Boho Decor Chinese Symbol Peace Zen Bohemian Galaxy Outer Space Astronomy Infinity Starlights Art Home Decor Polyester Fabric Shower Curtain Washable Fuchsia Purple Pink...
L: Village Candle Maple Butter 16 oz Glass Jar Scented Candle, Medium. Home & Kitchen. Home Dcor. Village Candle.
M: HeroFiber Nikon Coolpix S2900 20.1 MP Point and Shoot Digital Camera with 5X Optical Zoom and 720p HD Video (Black) + 7pc Bundle 8GB Accessory...
N: EVGA GeForce GTX660 2048MB GDDR5 192-Bit, Dual DVI-D, HDMI, DP and 2-Way SLI Ready GPU Graphics Cards 02G-P4-2660-KR. Electronics. Computers & Accessories. EVGA.
O: Bel-Ray Waterproof Grease. Sports & Outdoors. Outdoor Recreation. Bel-Ray.
P: Bare Home Premium Box Stitched All Season Down Alternative Twin/Twin Extra Long Comforter Duvet Insert - (Twin/Twin XL, White). Home & Kitchen. Bedding. Bare Home.
Q: Xia Home Fashions Gingham Check Napkins, 20 by 20-Inch, Green, Set of 4. Home & Kitchen. Kitchen & Dining. Xia Home Fashions.
R: Thermaltake TR2 700W 80+ Bronze ATX 12V 2.4/EPS 12V 2.92 Power Supply TR-700CNUS. Electronics. Computers & Accessories. Thermaltake.
S: BESTTRENDY Camera Strap Nikon Canon DSLR Camera Neck Strap for Men and Women Color Bohemia. Electronics. Camera & Photo. BESTTRENDY.
T: Honey-Can-Do Kids Toy Organizer and Storage Bins. Home & Kitchen. Furniture. Honey-Can-Do.


assistant
Answer: R