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: RiteAV Digital Optical Toslink Cable 50 feet. Electronics. Accessories & Supplies. RiteAV.
2nd: ASUS N55SF-DH71 Full HD 15.6-Inch Versatile Entertainment Laptop (Black). Electronics. Computers & Accessories. Asus.

Options:
A: Westinghouse WSC801RD 8-Quart Slow Cooker with matching 0.6-Quart Sauce Warmer. Home & Kitchen. Kitchen & Dining. Westinghouse.
B: Cuisinart CPT-140 Electronic Cool Touch 4-Slice Toaster, White. Home & Kitchen. Kitchen & Dining. Cuisinart.
C: WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal (Enterprise Grade, Heavy Duty) Hard Drive (For RAID, NAS, CCTV DVR, Desktop PC) w/1 Year...
D: Wooden Wall Clock with Laser Cut Numbers and Metal Hands, 15". Home & Kitchen. Home Dcor. Cupecoy Design.
E: Polaroid One Step Close-Up 600 Instant Camera. Electronics. Camera & Photo. Polaroid.
F: Bia Cordon Bleu White Porcelain Ribbed Mug, Set of 4. Home & Kitchen. Kitchen & Dining. BIA Cordon Bleu.
G: Outdoor Black Solar Candle Lanterns, 11" Height, Warm White LEDs, Dusk to Dawn Technology, Batteries Included - Set of 2. Home & Kitchen. Home Dcor...
H: SCOSCHE SU2031B 2015-Up Subaru Impreza/XV Crosstrek Double DIN Kit (Vehicles Silver AC Vent Trim). Electronics. Car & Vehicle Electronics. Scosche.
I: MacBook Pro Cover, SlickBlue Premium Quality PU Leather Folio Case Cover with Magnetic closure for MacBook Pro 13.3" (Model: A1278) - Champagne Gold. Electronics. Computers...
J: NFL Oakland Raiders Black Cuffed Beanie Hat. Sports & Outdoors. Fan Shop. Reebok.
K: Modern Professional Coffee Espresso Tamper 100% Stainless Steel Base, Variety of Sizes. (49mm). Home & Kitchen. Kitchen & Dining. Maya Italy.
L: Luxury Homes Premium Quality Thermal Insulated Window Blackout Curtain With Grommet Ring Top - Single Panel - Free Matching Tieback Worth $4.99 Included (52W x...
M: Tagua Gunleather Walther P22 Inside Pants Gun Holster, Black, 3.4-Inch, Right Hand. Sports & Outdoors. Sports & Fitness. Tagua Gunleather.
N: Deco 79 21871 Metal Fire Screen, 35"H/55"W. Home & Kitchen. Furniture. Deco 79.
O: Rosewill Gaming ATX Full Tower Computer Case Cases THOR V2 Black. Electronics. Computers & Accessories. Rosewill.
P: iPod Touch 5 Case - Noot® Basics Ultra Slim Fit Smooth Black [Perfect Fit] Hard Cover Case for Apple iPod Touch 5th Generation - Black...
Q: Yens 50Cshell 50 Round Clamshell CD DVD Case, Clam Shells with Lock, Clear. Electronics. Accessories & Supplies. Yens.
R: Belkin 6-Feet PureAV Mini-Stereo Audio Cable/AUX Cable. Electronics. Accessories & Supplies. Belkin.
S: MaxiMatic EPB-2570 Elite Cuisine Personal Drink Mixer. Home & Kitchen. Kitchen & Dining. Maxi-Matic.
T: Serious Steel Assisted Pull-Up Band, Resistance & Stretch Band | Powerlifting Bands | Pull-up and Band Starter e-Guide INCLUDED (Single unit) 41-inch. Sports & Outdoors...


assistant
Answer: O