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: Channel Master CM-7000 Digital to Analog TV Converter Box with S-Video. Electronics. Accessories & Supplies. Channel Master.
2nd: Brand New Nb-2l, Nb-2lh Battery Home AC Travel Rapid Charger with Car Adapter for Canon Digital Camera & Camcorder. Electronics. Camera & Photo. Kastar.

Options:
A: Decopolitan Square Traverse Window Treatment Rod, 26 to 72-Inch, Antique Silver. Home & Kitchen. Home Dcor. Decopolitan.
B: Sony BDV-E2100 3D Smart Blu-ray Home Theater System (Certified Refurbished). Electronics. Television & Video. Sony.
C: Mychampion Colored Woman Embroidered Flower Pattern Black Cloth Folding Hand Fan. Home & Kitchen. Home Dcor. Mychampion.
D: Pop up outdoor family tent (4 Panels). Sports & Outdoors. Outdoor Recreation. Genji Sports.
E: Vking Japanese Style Jigger Stainless Steel Double Cocktail Jigger 1oz / 2oz. Home & Kitchen. Kitchen & Dining. Vking.
F: Spacesaver Premium Jumbo Vacuum Storage Bags (80% More Storage Than Leading Brands) Free Hand Pump For Travel! (2 Pack). Home & Kitchen. Storage & Organization...
G: SUNLUXY 1.0MP 720P HD Outdoor WiFi Bullet IP Camera Waterproof IR Night Vision Motion Detection MAX 40m WiFi Distance. Electronics. Computers & Accessories. MEMTEQ.
H: HP Envy 17-j029nr Quad Edition mSSD Windows 8 Notebook PC. Electronics. Computers & Accessories. HP.
I: Dshot 12 Port UTP 10 inch Cat6 network Wall Mount Surface Patch Panel. Electronics. Computers & Accessories. Dshot.
J: Galaxy Tab S2 8.0 Case, Samsung Galaxy Tab S2 8.0 case, rooCASE Origami Ultra Slim Shell Lightweight Tablet Sleep/Wake Stand Folio Cover - Blue. Electronics...
K: Canon NB-2LH 7.2V 1100mAh Lithium-Ion Camera/Camcorder Battery (2-Pack). Electronics. Camera & Photo. Canon.
L: Aquamare Swimming Goggles + Reversible Swim Cap + Nose Clip + Ear Plugs + Protective Case + Cleaning Cloth, Anti Fog UV Protected Goggles -...
M: Nashbar Reader Rack.
N: Barsony Black Leather Vertical Cross Harness Shoulder Holster for 2-3" or Snub Nose Revolvers. Sports & Outdoors. Sports & Fitness. Barsony.
O: Belkin Dual Charger with USB and Swivel-Plug AC Charger for iPod. Electronics. Portable Audio & Video. Belkin.
P: Western Express Brown Left Handed Tooled Leather Gun Holster. Sports & Outdoors. Sports & Fitness. Western Express.
Q: Greencycle 3 PK Compatible TZ231 TZe231 TZ-231 Label Tape 12mm Black on White for Brother P-Touch Printers - 12mm wide 8m Length 1/2. Electronics. Accessories...
R: M MOCHOHOME Linen Plaid Checkered Square Decorative Throw Pillow Cover Case Pillowcase Cushion Sham - 22" x 22", Coffee/Beige. Home & Kitchen. Bedding. M MOCHOHOME.
S: Non Slip Yoga Socks with Grips Green (1). Sports & Outdoors. Sports & Fitness. JOMAY.
T: Clear Hook Table Skirting Clips (SMC) for 2in to 2 and 1/8in Table Edge - 25 Pack. Home & Kitchen. Kitchen & Dining. TableLinensforLess.


assistant
Answer: K