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: Garmin StreetPilot c320 3.5-Inch Portable GPS Navigator. Electronics. GPS, Finders & Accessories. Garmin.
2nd: Sony NW-S205F 2 GB Flash Sports Digital Music Player with Armband (Black). Electronics. Portable Audio & Video. Sony.
3rd: Garmin StreetPilot c580 3.5-Inch Portable GPS Navigator with MSN Direct. Electronics. GPS, Finders & Accessories. Garmin.
4th: Manfrotto 458B Neotec Pro Photo Tripod (Black). Electronics. Camera & Photo. Manfrotto.
5th: Giottos MH1300-657 Ball Head (Black). Electronics. Camera & Photo. Giotto's.
6th: Fujifilm Finepix S700 7.1MP Digital Camera with 10x Optical Zoom. Electronics. Camera & Photo. Fujifilm.
7th: Canon PowerShot SD1000 7.1MP Digital Elph Camera with 3x Optical Zoom (Silver) (OLD MODEL). Electronics. Camera & Photo. Canon.
8th: Logitech Premium USB Headset 350. Electronics. Accessories & Supplies. Logitech.
9th: Nikon D700 12.1MP FX-Format CMOS Digital SLR Camera with 3.0-Inch LCD (Body Only) (OLD MODEL). Electronics. Camera & Photo. Nikon.

Options:
A: Joy Walker Waterproof Backpack Rain Cover for (15-90L), Upgraded (Anti-Slip) Buckle Strap & Strengthened Layer for Hiking Camping Traveling Cycling. Sports & Outdoors. Outdoor Recreation...
B: ADVANCED HIGH SPEED DIGITAL 6 FT HDMI 24k GOLD w/ PROTECTIVE FERRITE CORES. Electronics. Accessories & Supplies. Copartner.
C: Pioneer AVH-X4700BS DVD Receiver with 7" Motorized Display, Bluetooth, Siri Eyes Free, SiriusXM-Ready, Android Music Support, and Pandora (AVHX4700BS) (Discontinued by Manufacturer). Electronics. Car &...
D: humangear Gobites Uno Travel Kit, Gray, One Size. Home & Kitchen. Kitchen & Dining. humangear.
E: Universal Power Laptop Notebook Ac Dc Adapter Charger. Electronics. Computers & Accessories. DekCell.
F: Kurt Adler SW0155 Star Wars Nutcracker, 10-Inch Darth Vader. Home & Kitchen. Seasonal Dcor. Kurt Adler.
G: Fast Food Tray Grey 14" x 18". Home & Kitchen. Kitchen & Dining. Carlisle.
H: Super-Sized Red Velveteen Stocking with White Fur Cuff. Home & Kitchen. Seasonal Dcor. HearthSong.
I: Portable Bluetooth Speaker, Oittm Wireless Bluetooth 4.0 Stereo Speaker with 6 Pulse Colorful LED Light Modes Built-in Microphone Support Hands-Free Function (Black). Electronics. Portable Audio...
J: Sanoxy HDMI-M to DVI-M 25-Feet Cable. Electronics. Accessories & Supplies. SANOXY.
K: RDX Hand Wraps Boxing Inner Gloves MMA Fist Protector Bandages Training Mitts. Sports & Outdoors. Sports & Fitness. RDX.
L: ALAZCO Set of 4 Round Plastic Cigarette Cigar Tabletop Ashtray (Blue, Red, Green & Black in Each Set) AZ4CAS. Home & Kitchen. Home Dcor. ALAZCO.
M: Beyution NEW Replaced Sound Bar Remote Control Fit for More Vizio Brand Sound Bar SB4021E-B0. Electronics. Accessories & Supplies. Beyution.
N: Embossed Scented Drawer Liners From Scentennials (Lavender). Home & Kitchen. Home Dcor. Scentennials.
O: HRH EU/UK English Letter Silicone Keyboard Skin Cover Shield for Apple MacBook Air Pro Retina 13" 15" 17" European/ISO Keyboard Layout (Black). Electronics. Computers &...
P: Cuisipro Stainless Steel Measuring Cup and Spoon Set. Home & Kitchen. Kitchen & Dining. Cuisipro.
Q: Spalding NBA Backboard/Rim Combo - 52" Acrylic Backboard. Sports & Outdoors. Sports & Fitness. Spalding.
R: Wacom Intuos Intuos4 - Medium. Electronics. Computers & Accessories. Wacom.
S: 10Pcs 1.34Feet Long Dia. 1/4" Round Cotton Kerosene Oil Lamp Wicks Burner. Home & Kitchen. Home Dcor. GHH.
T: Wilton Expand and Fold 16-Inch Non-Stick Cooling Rack. Home & Kitchen. Kitchen & Dining. Wilton.


assistant
Answer: R