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: CoverBot iPad Mini 3, iPad Mini Retina Display and iPad Mini Ultra Bluetooth Keyboard Station PURPLE with Magnetized Detachable Case For 7.9 Inch New Mini...
2nd: ASUS Dual-band 3x3 AC1750 Wifi 4-port Gigabit Router with speeds up to 1750Mbps & AiRadar to strengthens Wireless Connections via High-powered Amplification Beam-forming - 2x...
3rd: JETech Bluetooth Keyboard Case for Apple iPad Mini 4, 360 Degree Rotation, Multi-Angel Stand. Electronics. Computers & Accessories. JETech.

Options:
A: DocBear Bathroom Rug,Super Thick Memory Foam Bathroom Mats,Soft Non Slip Bath Mat,Coral Velvet Bath Rugs(Slate Blue,Size:W16"x L24"). Home & Kitchen. Bath. GRECUTE.
B: Hb 6' Ft Sparking Gorgeous Folding Artificial Tinsel Christmas Tree Silver Color 450 Tips. Home & Kitchen. Seasonal Dcor. HB-101.
C: 750 ml Emerald Green Claret/Bordeaux Bottles, 12 per case. Home & Kitchen. Kitchen & Dining. Northern Brewer.
D: RFT USA M92/M85 PAP Scope Mount Kit. Sports & Outdoors. Sports & Fitness. RapidFireTek - RFT USA.
E: InterDesign Thistle Shower Curtain, Long - Gray and Blue. Home & Kitchen. Bath. InterDesign.
F: Serta Perfect Lift Chair Recliner-Plush Comfort Recliner with Gel-Infused Foam -Hand Control with 2 Large LED Buttons and USB Charging Port for Phones/Tablets(Java 882)..., Mystic-Java-882...
G: Vitruvian Man by Leonardo Da Vinci Giclee Canvas Prints Wrapped Gallery Wall Art | Stretched and Framed Ready to Hang - 16" x 24". Home...
H: Ematic ESB214 Speaker Base with Built-in Subwoofer and Bluetooth (Black). Electronics. Portable Audio & Video. Ematic.
I: Meal Prep Containers 1 Compartment - Plastic Food Containers for Meal Prepping - Lunch Containers Food Prep Containers - Reusable Food Storage Containers with lids...
J: Vktech 10pcs Golf Head Cover Club Iron Putter Head Protector Set Neoprene Black. Sports & Outdoors. Sports & Fitness. Vktech.
K: JETech Case for Apple iPad Air 1st Edition (NOT for iPad Air 2), Smart Cover with Auto Wake/Sleep, Black. Electronics. Computers & Accessories. JETech.
L: Skirt Sports Women's Go Getter Tank Top. Sports & Outdoors. Sports & Fitness. Skirt Sports.
M: I-PURE ITEMS TM High Quality Instant Read Digital Food Thermometer With Collapsible Probe, Folding Auto Switch Meat Thermometer for Grill,BBQ,Oven,Cooking (black). Home & Kitchen. Kitchen...
N: Cartman Mini Bike Pump - Mini Hand Pump - Bicycle/ Ball Inflat Pump. Sports & Outdoors. Outdoor Recreation.
O: Artist 's Painting Apron 1 set assorted color. Home & Kitchen. Kitchen & Dining. swiftrans.
P: ASUS P5B Premium LGA775 Intel P965 DDR2-1066 ATX Motherboard. Electronics. Computers & Accessories. Asus.
Q: ViewSonic VSD220 22-Inch (21.5-Inch Vis) Full HD 1080p LED Touchscreen Smart Display and Android 4.0 ICS All-in-One. Electronics. Computers & Accessories. ViewSonic.
R: Old World Christmas Ornaments: Panda Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.
S: Berkshire Sablesoft Throw, Cream. Home & Kitchen. Bedding. Berkshire Blanket.
T: LG 34" Class UltraWide IPS Gaming Monitor 34UM57-P. Electronics. Computers & Accessories. LG.


assistant
Answer: K