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: Panasonic Lumix DMC-FS7 10MP Digital Camera with 4x MEGA Optical Image Stabilized Zoom and 2.7 inch LCD (Black). Electronics. Camera & Photo. Panasonic.
2nd: Portta N3SWT31 HDMI Mini Switch/Switcher 3 Port 3x1 with IR Remote and Key-Press-Switching support Full HD 1080p / 4K. Electronics. Accessories & Supplies. Portta.

Options:
A: Mountain Woods Large Sushi Board*. Home & Kitchen. Kitchen & Dining. Mountain Woods.
B: Healthiest Large Strong Thick Bamboo Cutting Board: 18"X12"X0.8" with Drip Groove by BAMBOO MASTER. Home & Kitchen. Kitchen & Dining. Sokos.
C: Topps MLB 2013 Mega Box Trading Card Set. Sports & Outdoors. Fan Shop. Topps.
D: Philips DVDR3455H DVD Hard Disc Recorder 160 GB with Instant Replay. Electronics. Television & Video. Philips.
E: Sterilite 18038612 Small Clear Flip Top Storage Box. Home & Kitchen. Wall Art. STERILITE.
F: Silver Buffalo SW9087 Disney Star Wars Photo Reel Grid Plastic Travel Mug, 16-Ounces. Home & Kitchen. Kitchen & Dining. Disney.
G: Intelligent Design Sven Twin/Twin XL Size Bed Comforter Set - Teal Grey, Striped – 4 Pieces Bedding Sets – Ultra Soft Microfiber Bedroom Comforters. Home...
H: TriSquare TSX100-2VP eXRS Digital Two-Way Radio (Pair) - Charcoal Metallic/Black. Electronics. Portable Audio & Video. TriSquare.
I: Pioneer HDJ-EP01 Replacement Earpads for Pioneer HDJ-2000 D Headphones (1 Pair). Electronics. Accessories & Supplies. Pioneer.
J: Ceramic Slicer Knife - 6'' Blade - Long Lasting Sharp Edge - Durable Build- Ergonomic Gripped Handle - Beautiful Black Handle and White Blade. Home...
K: Sony XBR49X800D 49-Inch 4K Ultra HD TV (2016 Model), Works with Alexa. Electronics. Television & Video. Sony.
L: Wireless Gaming Mouse, AFUNTA 6 Buttons 2000 DPI Full Size Game Mice with USB Transmitter for PC Laptop Desktop Tablet Windows 10/8/7/XP MAC Android Working...
M: Costa del Mar Unisex-Adult Corbina CB 10 OGMGLP Polarized Iridium Wrap Sunglasses. Sports & Outdoors. Sports & Fitness. Costa Del Mar.
N: University of Florida Gators UF House Flag. Sports & Outdoors. Fan Shop. College Flags and Banners Co.
O: CMP .22-Caliber Dueling Tree Steel Target. Sports & Outdoors. Sports & Fitness. CMP.
P: Big Sky Carvers Saw Whet Owl Mug, Multicolor. Home & Kitchen. Kitchen & Dining. DEMDACO.
Q: 81' Catahoula Manufacturing #60 Tarred Braided Nylon Twine (Bank Line) 500 lb Tensile Strength. Sports & Outdoors. Sports & Fitness. Catahoula.
R: Lasko 2155A 16″ Electrically Reversible Window Fan - Features Storm Guard and 3 Intake and 3 Exhaust Speeds. Home & Kitchen. Heating, Cooling & Air...
S: DMI Pillow Mate Crescent Neck Support Pillow Travel Pillow for Airplance, Home, Car and more, Blue Satin. Home & Kitchen. Bedding. Duro-Med.
T: George S. Chen Imports Fairy Collection Pixie with Dragon Fantasy Figurine Figure Decoration (SS-G-91277). Home & Kitchen. Home Dcor. George S. Chen Imports.


assistant
Answer: K