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: Google Nexus 7 2013 Case, Nexus 7 FHD 2nd Gen Case, rooCASE Origami Slim Shell Lightweight Tablet Stand, Blue. Electronics. Computers & Accessories. rooCASE.
2nd: Diamond VC500 USB 2.0 One Touch VHS to DVD Video Capture Device with Easy to use Software, Convert, Edit and Save to Digital Files For...

Options:
A: ZT-1 Zama Z 500-13-1 Walbro W Carburetor Metering Tools. Home & Kitchen. Home Dcor. Walbro & Zama.
B: BEEYO Bulk 100% Pure Frankincense (Boswellia Carterii) Premium 1st Grade Choice Resin/Incense Wild Harvested in Somalia. Home & Kitchen. Home Dcor. BEEYO.
C: Your Heart's Delight Wooden Shelf/Cabinet with 4 Drawers, 16 by 4-1/2 by 4-1/2-Inch, Black. Home & Kitchen. Storage & Organization. Your Heart's Delight.
D: Seagate Backup Plus 4TB External Desktop Hard Drive Storage (STFM4000100). Electronics. Computers & Accessories. Seagate.
E: Flash Furniture Kids Colorful 3 Piece Folding Table and Chair Set. Home & Kitchen. Furniture. Flash Furniture.
F: CE Smith Trailer Roll Carpet Replacement Parts and Accessories for your Ski Boat. Sports & Outdoors. Sports & Fitness. CE Smith.
G: Vacu Vin Food Saver, Set of 4. Home & Kitchen. Kitchen & Dining. Vacu Vin.
H: Tamrac 5611 Ultra Pro 11 Camera Bag (Black). Electronics. Camera & Photo. Tamrac.
I: High Peak Outdoors Summit 0 Degree XL Sleeping Bag, 34" x 95" x 22", Blue. Sports & Outdoors. Outdoor Recreation. High Peak Outdoors.
J: Circleware 66707 Catalina Set of 2-Mini Butter Dishes 4.5" x 2.25" Home and Kitchen Utensils. Home & Kitchen. Kitchen & Dining. Circleware.
K: Adonit Jot Pro Fine Point Precision Stylus for iPad, iPhone, Android, Kindle, Samsung, and Windows Tablets - Gun Metal [Previous Generation]. Electronics. Computers & Accessories...
L: iHome IM14BC Jumbo Snooze Bar Alarm Clock with USB Charging. Electronics. Portable Audio & Video. Sound Design.
M: Sunpak PF30XN Digital SLR Camera Dedicated i-TTL Flash for Nikon. Electronics. Camera & Photo. SUNPAK.
N: Cuisinart VS-100 Vacuum Sealer, Black. Home & Kitchen. Kitchen & Dining. Cuisinart.
O: Silicone Solutions 12 cup Mini Muffin Pan, Blue. Home & Kitchen. Kitchen & Dining. Silicone Solutions.
P: Fishing Lures Lot with Tackle Box,AGadget 204PCS/Lot Fishing Tackle Hard Soft Plastic Fishing Lures Freshwater Saltwater Fishing Kit Crankbait Minnow VIB Frog Lures Jighead Spoonbait...
Q: Azeca BTC008 Stereo Bluetooth In-Car FM Transmitter. Electronics. Car & Vehicle Electronics. Azeca.
R: Jack's Fitness Wrist Wraps for Weight Lifting – Bench Press - Boxing Wraps. Sports & Outdoors. Sports & Fitness. Jack's Fitness.
S: Flashpoint XPLOR 600 HSS Battery-Powered Monolight with Built-in R2 2.4GHz Radio Remote System and R2 Transmitter for Nikon (Bowens Mount)(AD600). Electronics. Camera & Photo. Flashpoint.
T: Intel Core 2 Quad Processor Q9400 2.66GHz 1333MHz 6MB LGA775 CPU, OEM. Electronics. Computers & Accessories. Intel.


assistant
Answer: K