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: BlackBerry PRD-38548-003 Playbook 7" Tablet, 64GB. Electronics. Computers & Accessories. BlackBerry.
2nd: Samsung Galaxy Tab A(8.0-inch) T350 Case,BNY-WIRELESS (TM) Rugged High Impact Hybrid Drop Proof Armor Defender Full-body Protection Case Convertible Built in Stand for Samsung Galaxy...

Options:
A: Sony SPK-AS1 Waterproof Case for Action Cam. Electronics. Camera & Photo. Sony.
B: Under Armour Men's Threadborne Tour Pants. Sports & Outdoors. Sports & Fitness. Under Armour.
C: AirCloud PAB-501 Safari 14-Inch High Butterscotch Vanilla Safari Print Inflatable Air Bed, Full. Home & Kitchen. Wall Art. Air Cloud.
D: SAMSUNG TSST Ultra-Slim Optical Drives SE-208GB/RSRD Red, M-Disc Support, MAC OS X compatible. Electronics. Computers & Accessories. Samsung.
E: Generic Silicone Sea Lifes Shell Conch Fondant Cake Cookie Baking Icing Soap Mould Mold. Home & Kitchen. Kitchen & Dining. Generic.
F: Kitchen Helper K5SPS Spam Musubi Sushi Rice Press. Home & Kitchen. Kitchen & Dining. Kitchen Helper.
G: Designer Floating Hutch. Home & Kitchen. Furniture. Prepac.
H: Bell+Howell DNV6HD Rogue Infrared Night Vision 1080p HD 20 MP Camcorder (Black). Electronics. Camera & Photo. Bell + Howell.
I: Lowepro Transporter Camera Strap. Electronics. Camera & Photo. Lowepro.
J: Hand Held Scissors Sharpener Deal - Knife and Scissor Sharpener with Removable Ceramic Rod. Safely and Quickly Restore Your Favorite Dull Scissor and Knives Back...
K: Phoenix Full Size Sofa Futon and Drawer Set, Butternut Wood Frame and Suede Innerspring Mattress, Red. Home & Kitchen. Furniture. Michael Anthony Furniture.
L: Boot-Fix Shoe Glue: Instant Professional Grade Shoe Repair Glue. Sports & Outdoors. Outdoor Recreation. Boot-Fix.
M: Bial EX Trimmer Twisting Waist Ankle Body Aerobic Exercise. Sports & Outdoors. Sports & Fitness. BIAL EX.
N: Petzl Am'D Locking Carabiner - Screw-Lock, Ball-Lock, Triact-Lock. Sports & Outdoors. Outdoor Recreation. PETZL.
O: Sony ICFC717PJ Nature Sounds Clock Radio. Electronics. Home Audio. Sony.
P: Bushnell 12MP Trophy Cam HD Essential Low Glow Trail Camera, Brown. Sports & Outdoors. Sports & Fitness. Bushnell.
Q: Egyptian Bedding 600-Thread-Count Egyptian Cotton Siberian Goose Down Comforter, 750 Fill Power, 70 Oz Fill Weight, King Size, 106-Inch by 90-Inch, Solid White. Home &...
R: Columbia Blood and Guts Visor Hats, One Size, Fossil. Sports & Outdoors. Outdoor Recreation. Columbia.
S: TICA WIGA Spinning Fishing Rod. Sports & Outdoors. Sports & Fitness. TICA.
T: Hot Pink Litchi Stria Leather Stand Case with Removable Bluetooth 3.0 ABS Keyboard for Apple iPad mini + Pink HSINI Touch Screen Stylus Pen. Electronics...


assistant
Answer: D