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: Mambe Extreme Weather 100% Waterproof/Windproof Outdoor Blanket, Camping Blanket Stadium Blanket Premium Stuff Sack Made in the USA. Sports & Outdoors. Outdoor Recreation. Mambe.
2nd: Mambe Extreme Weather 100% Waterproof/Windproof Outdoor Blanket, Camping Blanket Stadium Blanket Premium Stuff Sack Made in the USA. Sports & Outdoors. Outdoor Recreation. Mambe.

Options:
A: SmartGuard 4- Year Desktop Protection Plan ($800-$900). Electronics. Electronics Warranties. SmartGuard.
B: Polar Bottle Insulated Water Bottle - 12oz. Sports & Outdoors. Sports & Fitness. Polar Bottle.
C: Balloon Red 8 Inch Tissue Paper Flower Pom Poms, Pack of 5, Green. Home & Kitchen. Event & Party Supplies. Balloon Red.
D: Retevis 2 Pin Overhead Headset with Microphone Walkie Talkies Earpiece with Finger PTT Compatible Baofeng BF-888S UV-5R Retevis H-777 RT21 RT22 2 Way Radios(1 Pack)...
E: Xpedo Face Off Pedal XMX13 9/16" Red. Sports & Outdoors. Outdoor Recreation. Xpedo.
F: Battery Operated Warm White LED String Lights with Golden Christmas Ball. Home & Kitchen. Seasonal Dcor. ORANGE TREE TRADE.
G: GEARONIC TM Carbon Fiber Print Adjustable Circumaural Over-Ear Earphone Stero Headphone 3.5mm for iPod MP3 MP4 PC iPhone Music - Black. Electronics. Headphones. GEARONIC.
H: Mosquito and Insect Repellent, All Natural DEET Free - Original Outdoor Defense Moisturizing Lotion 4 oz. Sports & Outdoors. Outdoor Recreation. Vermont Lotion Company.
I: Beyerdynamic DTX 501P Mobile Headphone White. Electronics. Headphones. beyerdynamic.
J: Swix T75110Xf Iron 120V.  Swix.
K: Tachikara SV5WSC Sensi Tec  Composite High Performance Volleyball. Sports & Outdoors. Sports & Fitness. Tachikara.
L: Wallniture Nursery Room Decor – Wall Mounted Wood Floating Shelves – Storage for Bathroom Accessories or Kitchen Spice Rack Set of 2 Blue. Home &...
M: Server Set, Cake, Pie, Desert Flatware Set, Tree Branch Design, 2-piece 18/10 Stainless steel with brass handles (light antique silver finish). Home & Kitchen. Kitchen...
N: Gigabyte AMD Radeon R7 250X OC 2GB GDDR5 VGA/2DVI/HDMI PCI-Express Video Card GV-R725XOC-2GI. Electronics. Computers & Accessories. Gigabyte.
O: HotSnapZ Hand Warmers Reusable Round & Heart Warmers. Sports & Outdoors. Outdoor Recreation. HotSnapZ.
P: Keystone KSTFD125AG Table to Floor Air Accelerator Fan, 12-Inch, Black. Home & Kitchen. Heating, Cooling & Air Quality. Keystone.
Q: LSS 15 15.6 inch Laptop Notebook Skin Sticker Cover Art Decal Fits 13.3" 14" 15.6" 16" HP Dell Lenovo Apple Asus Acer Compaq (Free 2...
R: Nikon ProStaff 550 Laser Rangefinder (Green) . Sports & Outdoors. Sports & Fitness. Nikon.
S: StudioFX Muslin Backdrop 100% Cotton Photography Photo by Kaezi Photo Grey (Gray Muslin - 10ft x 20ft). Electronics. Camera & Photo. StudioFX by Kaezi.
T: Fuel Belt Bike Gel Flask Holder - 6oz. - 2015. Sports & Outdoors. Outdoor Recreation. FuelBelt.


assistant
Answer: K