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: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
Purchase History:
1st: Plantronics Audio 655 USB Multimedia Headset with Noise Canceling Microphone for PC and Mac. Electronics. Computers & Accessories. Plantronics.
2nd: Black Optical Hand-Held USB Trackball Mouse For Laptop PC. Electronics. Computers & Accessories. Brainydeal.

Options:
A: Lexar 16 GB JumpDrive S33 USB 3.0 Flash Drive 3-Pack (48GB Total). Electronics. Computers & Accessories. Lexar.
B: Thirstystone Organic Montage I Stone Trivet, Travertine. Home & Kitchen. Kitchen & Dining. Thirstystone.
C: Cisco-Linksys WRT310N Wireless-N Gigabit Router. Electronics. Computers & Accessories. Linksys.
D: Upgraded Pyle 50" Projector Screen with Floor Standing Portable Fold-Out Roll-Up Tripod Manual, Mobile Movie Screen, Home Theater Cinema Wedding Party Office Presentation, Quick Assembly...
E: Right Angled USB Adapter A Male to Female Extension 90 180 Degrees Turn Connectors 3G Router USB adapter. Electronics. Accessories & Supplies. MagicW.
F: Lexar Professional 600x 64GB SDXC UHS-I Flash Memory Card LSD64GCTBNA600. Electronics. Computers & Accessories. Lexar.
G: A-TECH 16GB KIT (2 x 8GB) For Dell Latitude 6430u E5430 E5530 E6230 E6330 E6430 E6430 ATG E6430s E6530 E6540. SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz...
H: Ronin (TM) R2 Straight-Cut Hockey Visor (Anti-Fog). Sports & Outdoors. Sports & Fitness. Hockeyninja.com (TM).
I: Kensington 62210 SaddleBag Pro Computer Carrying Case. Electronics. Computers & Accessories. Kensington.
J: Fosmon 10ft Micro USB to USB [VIVID] Flat Tangle Free High Speed Micro USB Cable - USB 2.0 A Male to Micro B - Compatible...
K: TCL LE55FHDF3310TA 55-Inch 1080p LED TV. Electronics. Television & Video. TCL.
L: Full LCD Screen Display Touch Digitizer Assembly Replacement for LG V410 VK410 V410 G Pad 7.0. Electronics. Computers & Accessories. Generic.
M: iFlight Universal Adjustable Gimbal Tuning Stand CNC Aluminum for Brushless DSLR Stabilizer Like SteadyGim6 Plus H6 G15 Plus G40 Lite. Electronics. Camera & Photo. iFlight.
N: UltraPro 2-Pack LI-50B High-Capacity Replacement Battery for Olympus Stylus, MJU, S, Tough, and X Series Cameras - UltraPro BONUS INCLUDED: Deluxe MicroFiber Cleaning Cloth, Lens...
O: Giro Nine Snow Helmet - Men's. Sports & Outdoors. Outdoor Recreation. Giro.
P: Plantronics Mobile Convertible Headset M175C (Discontinued by Manufacturer). Electronics. Computers & Accessories. Plantronics.
Q: Kenetrek Unisex Hunting Gaiter Waterproof Gaiter. Sports & Outdoors. Outdoor Recreation.
R: Monster iSport Intensity In-Ear Headphones (Green). Electronics. Headphones. Monster.
S: Plantronics .Audio 355 Multimedia Headset. Electronics. Computers & Accessories. Plantronics.
T: Espro Stainless Steel 12 Ounce Travel Press with Coffee and Tea Filters, Matte Black. Home & Kitchen. Kitchen & Dining. Espro.


assistant
Answer: S