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: Rank items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
Purchase History:
1st: Kensington K62220F Contour 15.4-Inch Notebook Carrying Case. Electronics. Computers & Accessories. Kensington.
2nd: Samsung SyncMaster 920NW 19-inch LCD Monitor. Electronics. Computers & Accessories. Samsung.
3rd: Kensington Notebook Expansion Dock with Video; USB Connection 33367. Electronics. Computers & Accessories. Kensington.
4th: HHI Samsung Galaxy Tab 7.0 Plus P6200 Case UrbanFlip Series with Viewing Stand - Black (Also Fits Galaxy Tab 2 7.0)(Package include a HandHelditems Sketch...
5th: Kensington K62533US Contour Balance Notebook Roller Bag in Onyx, Fits Most 15-Inch Notebooks. Electronics. Computers & Accessories. Kensington.
6th: EMPTY. Electronics. Camera & Photo. Sigma.
7th: Globe 7732001 Home Appliance Six-Outlet Swivel Surge Tap. Electronics. Accessories & Supplies. Globe Electric.
8th: Capacitive Touch Screen Stylus Pens 4.5", 6-pack - including 2 x 15" Lanyards and Screen Cleaning Cloth by The Friendly Swede (Black, Gold, Silver, Blue,...
9th: Cooler Master Wave Stand - Adjustable Aluminum Stand for Apple iPad Air, iPad mini, iPad mini with Retina Display, and Android Tablets (Silver). Electronics. Computers...
10th: Arkon Folding Tablet Stand for iPad Air iPad mini iPad and Android Tablet. Electronics. Computers & Accessories. ARKON.
11th: Tech Armor High Definition HD-Clear Film Screen Protector (Not Glass) for Apple iPad Mini 1/2/3 [3-Pack]. Electronics. Computers & Accessories. Tech Armor.
12th: Snugg Leather Flip Stand Case for Apple iPad Mini & Mini 2 with Retina - Black. Electronics. Computers & Accessories. Protty.
13th: Purple Tangle Free Flat Wire Car Audio Stereo Aux Cable Adapter for iPhone 5S 5C 5 4S 4 3GS, iPod Touch, Samsung Galaxy S5 S4...
14th: Eco-Fused 10 Pack BLING Metal Stylus Pens compatible with iPad Air, 5, 4, 3 2, Mini, iPhone 6S Plus, 6 Plus, 6S, 6, 5, 4,...
15th: Tripp Lite 6 Outlet Surge Protector Power Strip Remote Controlled 6ft Cord 2100 Joules (TLP66RCG). Electronics. Accessories & Supplies. Tripp Lite.
16th: Rosewill 6 Outlet Power Strip with Individual Switches and 6-Feet Cord, RPS-200. Electronics. Accessories & Supplies. Rosewill.
17th: APC 6-Outlet Wall Surge Protector 1080 Joules, SurgeArrest Essential (P6W). Electronics. Accessories & Supplies. APC.
18th: Uninex Contractor Heavy-Duty 8 Outlet 5-Foot Yellow Metal Power Strip Block with Cord Management UL. Electronics. Accessories & Supplies. Uninex.
19th: TNP iPad Mini 4 Case (Blue) - Slim Fit Synthetic Leather Folio Case Cover Stand for Apple iPad Mini 4 7.9 Inch Tablet 2015 Release...
20th: iCarez [HD Clear] Screen Protector for Apple iPad Mini 4 [ Unique Hinge Install Method With Kits ] Easy Install with Lifetime Replacement Warranty [2-Pack]...
21st: ProCase iPad Mini 4 Case - Leather Stand Folio Case Cover for 2015 Apple iPad Mini 4 (4th Generation iPad Mini, mini4), with Multiple Viewing...

Options:
A: Kwik-Shot Soot Stopper, 3 oz. Toss-In Canister (3-Pack). Home & Kitchen. Heating, Cooling & Air Quality. Rutland Products.
B: Mount-It! TV Wall Mount Swing Out Full Motion Design for Corner Installation, Fits 40 50, 55, 60, 65, 70 Inch Flat Screen TVs, 220 Lb...
C: Bell Barbie My Fab Bike Accessory. Sports & Outdoors. Outdoor Recreation. Bell.
D: REMOTE CONTROL UNIT / MAGNAVOX -NC262UH/ NB991UD. Electronics. Accessories & Supplies. Magnavox.
E: Home-X Cream Cheese Container. Home & Kitchen. Kitchen & Dining. Home-X.
F: Haan RMF-2 2-Pack Replacement Pads, Blue. Home & Kitchen. Kitchen & Dining. Haan.
G: CESS Banana Pin Plug Open Screw Type Cable Connector (8 Pack). Electronics. Accessories & Supplies. CESS.
H: Messermeister Silicone Bowl Scraper, Orange. Home & Kitchen. Kitchen & Dining. Messermeister.
I: Pwr UL Listed 6.7 Ft Extra Long 2.1A Rapid Charger for Acer Iconia A A110 A1-810 830 840 850 860 A3-A20; Iconia B B1-770 810...
J: RaceFace 9/10/11-Speed Single Ring. Sports & Outdoors. Outdoor Recreation. RaceFace.
K: Schoolhouse Folding Chair in Warm Cherry Finish - Set of 2. Home & Kitchen. Furniture. Stakmore.
L: Verbatim DVD-RAM 9.4GB 3X Double Sided, Type 4 with Branded Surface - 1pk with Cartridge. Electronics. Accessories & Supplies. Verbatim.
M: 6 Piece Engraved Recipe Cocktail Shaker Set. Home & Kitchen. Kitchen & Dining. VonShef.
N: Primo Flavorstation Home Beverage Maker Model 110. Home & Kitchen. Kitchen & Dining. Primo Flavorstation.
O: eNilecor Kid's Inline Skating Roller Blading Wrist Elbow Knee Pads Blades Guard Gift for Children's Day, Christmas Pack of 6 (Pink White). Sports & Outdoors...
P: Ergonomic Wired Mouse: The Ergogrip (Tm). Electronics. Computers & Accessories. Stealth Electronics.
Q: Party Essentials N92521 Hard Plastic Tumbler, 9-Ounce Capacity, Clear (Case of 500). Home & Kitchen. Kitchen & Dining. Party Essentials.
R: iCarez [Anti-Glare Matte] Screen Protector for Apple iPad Mini 4 [ Unique Hinge Install Method With Kits ] Easy Install with Lifetime Replacement Warranty [2-Pack]...
S: Sous Vide Immersion Circulator Cooker - 1000 Watt Stainless Steel Thermal Stick Chef Precision Cooking Machine with Digital Time / Temperature - Clips On Deep...
T: Showbellia Men's Slimming Shorts Waist Training Compression Shaper Pants Black One size. Sports & Outdoors. Sports & Fitness. Showbellia.


assistant
Answer: R