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: Thankscase Case for iPad Air 2, Rotating Case Cover for Ipad iPad Air 2 with Wallet Pocket with Hand Strap with Auto Sleep/Wake for iPad...
2nd: iPad Air Case,ULAK Synthetic Leather Case Cover for Apple iPad Air iPad 5 (2013 Model) With Inbuilt 360 Rotating Stand and Automatic Wake/Sleep Function (Aqua...

Options:
A: Water Resistent Jumbo Green Canvas Beach Tote Bag Seahorse Design Zipper Closure 24 x 15 x 6". Home & Kitchen. Kitchen & Dining. STAR.
B: French Bull - Lazy Susan Turntable - Melamine Lazy Susan - for Table and Countertop - Mosaic. Home & Kitchen. Kitchen & Dining. French Bull.
C: L.Store (R) Ice Ball Maker Mold - 4 Cups Spherical Ice Balls- Black Flexible Silicone Ice Tray - Molds 4 X 4.5cm Round Ice Ball...
D: Allen Backcountry Full Body Carcass Bag, 48" x 96". Sports & Outdoors. Sports & Fitness. Allen Company.
E: Lifetime Crank Adjust In Ground Basketball Tempered Glass Backboard. Sports & Outdoors. Sports & Fitness. Lifetime.
F: TP-Link Network TL-WA854RE 300Mbps Universal WiFi Range Extender TL-WA854RE. Electronics. Computers & Accessories. TP-LINK.
G: SATA 2nd HDD Hard Drive Caddy Adapter for Apple MacBook Pro 13 15 17. Electronics. Computers & Accessories. BrainyDeal.
H: Nogis Silicone Magnetic Clasp Clip for Fitbit Flex Monitor Wristband (Deep Red). Sports & Outdoors. Sports & Fitness. Nogis.
I: NALGENE ATB 32 OZ. NATURAL. Sports & Outdoors. Sports & Fitness. Nalgene.
J: MCS MBI 13.5x12.5 Inch Fashion Fabric Scrapbook Album with 12x12 Inch Pages with Photo Opening, Brown (802512). Home & Kitchen. Home Dcor. MCS.
K: Galaxy Tab E 9.6 Case, Cellularvilla Premium Pu Leather 360 Degree Rotating Cover Swivel Stand Case For Samsung Galaxy Tab E Wi-Fi / Tab E...
L: TI-Balance for Apple Wireless Keyboard or Apple Magic Trackpad-(Does not include Keyboard). Electronics. Computers & Accessories. Spinido.
M: Ice Pop Molds Maker Popsicle Molds Ice Cream Frozen Pops Cake Treats Sets of 6 (Hot Pink). Home & Kitchen. Kitchen & Dining. Chyu.
N: Elite Platinum MST-900D Maxi-Matic 8.5 Quart Digital Programmable Slow Cooker with Timer, Stainless Steel. Home & Kitchen. Kitchen & Dining. Maxi-Matic.
O: Champion Sports Lacrosse Balls (2-Pack) Green Yellow. Sports & Outdoors. Sports & Fitness. Champion Sports.
P: PureCare® PCSMF-Q-IV Luxury Microfiber Wrinkle Resistant Sheet Set, Queen, Ivory. Home & Kitchen. Bedding. PureCare.
Q: Bidul & Co USB Hub and card reader for Microsoft Surface RT. Electronics. Computers & Accessories. Bidul.
R: IO Crest USB 3.0 to Gigabit Ethernet Network Adapter with SuperSpeed 3.0 to 10/100/1000 Mbps Base Ethernet LAN Adapter for Mac OS X, Windows PC...
S: Roundhill Furniture Solid Wood Leatherette Padded Parson Stitches Design Chair, Black, Set of 2. Home & Kitchen. Furniture. Roundhill Furniture.
T: SumacLife Cady 12.2-inch Tablet Bag for Samsung Galaxy Note Pro & Tab Pro with Blue Headphones (Black). Electronics. Computers & Accessories. SumacLife.


assistant
Answer: K