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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: Nikon AF-S FX NIKKOR F/4D IF-ED 300mm Fixed Zoom Lens with Auto Focus for Nikon DSLR Cameras. Electronics. Camera & Photo. Nikon.
2nd: Think Tank Photo Large Credential Holder V2.0. Electronics. Camera & Photo. Think Tank.
3rd: Impact Air-Cushioned Heavy Duty Light Stand - Black, 9'6" (2.9m). Electronics. Camera & Photo. Impact.
4th: Yongnuo 2pcs YN560 IV Flash kit +YN560TX LCD Wireless Flash Controller For Nikon. Electronics. Camera & Photo. YONGNUO.
5th: Flash Clamp and Locking Arm From JOBY – the Most Versatile Off Camera Flash Mounting System You Can Find. Electronics. Camera & Photo. Joby.
6th: Apple iPad 3 32GB A1416 MC706LL/A (32GB, Wi-Fi, Black)3rd Generation. Electronics. Computers & Accessories. Apple.

Options:
A: ASX ActionPro Black - 4K @25FPS Ultra HD Wifi Sports Cam - 2-Inch Screen - 12MP Super Wide Angle Lens - 20 Accessories Included. Electronics...
B: Eureka 60295 Series for Mighty Mite Vacuums, Type MM, 3-Count. Home & Kitchen. Vacuums & Floor Care. Eureka.
C: Raidmax 1000W 80 Plus Gold ATX12V/EPS12V Active PFC Power Supply RX-1000AE. Electronics. Computers & Accessories. Raidmax.
D: Hoppe's No. 9 Moly, 4 oz. Aerosol Can. Sports & Outdoors. Sports & Fitness. Hoppe's.
E: KitchenAid BCG100WH Blade Coffee Grinder, White. Home & Kitchen. Kitchen & Dining. KitchenAid.
F: Jiva Yoga 1/4 Inch Thick Memory Foam Non-Slip Yoga Mats with Carrying Strap and Bag - Black Lava. Sports & Outdoors. Sports & Fitness. Jiva...
G: Cooltek usblght611 Mini USB LED Light Adjustable Angle Portable Lamp for Laptop Computer Reading, 6 Piece. Electronics. Computers & Accessories. Cooltek.
H: DigitalsOnDemand ® Dark Blue Rubberized Hard Shell Case Cover with Free Keyboard Cover for Apple Macbook Air 13" 13.3 Inch Model A1369 & A1466 Laptop...
I: Brainerd 133077 Cirque Coat and Hat Hook, Satin Nickel. Home & Kitchen. Storage & Organization. Brainerd.
J: US PeaceKeeper P21108 Attache Gun Case (Black). Sports & Outdoors. Sports & Fitness. US PeaceKeeper Products.
K: PERFECT POINT THROWING KNIFE SET 7.5" OVERALL JAGGED SERRATED BLADE …. Sports & Outdoors. Sports & Fitness. Perfect Point.
L: Dakine Factor Laptop Backpack. Electronics. Computers & Accessories. Dakine.
M: Cuisinart KML-KO3B Precision Chef Bowl Electronic Kitchen Scale. Home & Kitchen. Kitchen & Dining. Cuisinart.
N: Aurum Cables 4 Feet Cat6 Snagless Network Ethernet Patch Cable - Yellow - 5 Pack. Electronics. Computers & Accessories. Aurum Cables.
O: Dell Latitude D630 Laptop Notebook - Core 2 Duo 2.2GHz - 2GB DDR2 - 500GB - DVD/CDRW Windows 7 Pro 64. Electronics. Computers & Accessories...
P: Timbuk2 Control Laptop Case. Sports & Outdoors. Sports & Fitness. Timbuk2.
Q: LifeSupplyUSA Filter Fits Austin Air HM-200 HM200 Air Purifier Filter fits HealthMate, HealthMate Jr with Prefilter. Home & Kitchen. Heating, Cooling & Air Quality. LifeSupplyUSA.
R: Polaroid U228 USB 2.0 Ambient Lighting Speaker (Blue). Electronics. Computers & Accessories. Polaroid.
S: Votivo Teak Aromatic Candle. Home & Kitchen. Home Dcor. Votivo.
T: Kodiak Canvas Flex-Bow 6-Person Canvas Tent, Deluxe. Sports & Outdoors. Outdoor Recreation. Kodiak Canvas.


assistant
Answer: O