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: SPACE Seating Professional AirGrid Dark Back and Padded Black Eco Leather Seat, 2-to-1 Synchro Tilt Control, Adjustable Arms and Tilt Tension with Nylon Base Managers...
2nd: Shakespeare Love Coffee Mug - Shakespeare's Most Famous Quotes About Love All in One Place - Comes in a Fun Gift Box. Home & Kitchen...

Options:
A: Ridata DVD+R 4x 50-pack Spindle. Electronics. Accessories & Supplies. Ridata.
B: Kitchen Elite Extra Large Natural 18x12 Bamboo Cutting Board with Deep Drip Groove. Home & Kitchen. Kitchen & Dining. Kitchen Elite.
C: Cork & Leaf Ladybugs Wine Charms, Drink Markers, Set of 6 Wine Charms,Wine Glass Tags, Wine Drinker Gifts, Housewarming Gifts, Cocktail Drink Markers. Multicolor. Home...
D: Fortress Security Store (TM) Motion Detector Sensor DIY Home and Business Security Systems. Electronics. Security & Surveillance. Fortress Security Store.
E: Stylish Dual Amplified UHF/VHF/FM Antenna. Electronics. Accessories & Supplies. Jensen.
F: Jing Gong G608 Airsoft Electric Gun K36c AEG. Sports & Outdoors. Sports & Fitness. Jing Gong.
G: Mud Pie 4831006 Circa Gravy Boat Set, White. Home & Kitchen. Kitchen & Dining. Mud Pie.
H: FitTech Gear Hydration Belts for Runners | Super 2 BPA Free 10oz Water Bottles | Free Jump Rope | Free Reflective Band | No Bounce...
I: rooCASE Multi-Angle (Black) Leather Folio Case Cover for Motorola XOOM Android Tablet (NOT Compatible with XOOM Family and XOOM 2). Electronics. Computers & Accessories. rooCASE.
J: LINKWELL 18"x18" World Map Words Lettering Never Stop Exploring Home Decor Burlap Cushion Covers Pillow Case. Home & Kitchen. Bedding. LINKWELL.
K: SPRI Plastic Round Wobble Balance Board. Sports & Outdoors. Sports & Fitness. SPRI.
L: Original style heating elements complete set of 6 element heaters most common heaters that use this are the Edenpure 1000XL and Gen3 1000 (1500 Watt)...
M: SKYLET for Garmin Vivofit Bands, Colorful Fitness Replacement Bands for Garmin Vivofit 1, NOT for Garmin Vivofit 2/3/JR/HR(No Tracker). Electronics. Wearable Technology. SKYLET.
N: Canopus ADVC-100 Advanced Digital Video Converter, Analog / DV. Electronics. Accessories & Supplies. Canopus.
O: TLR-6 Subcompact Gun Mounted Light w/Red Laser M&P Shield 69273-100 Lumens. Sports & Outdoors. Sports & Fitness. Streamlight.
P: Genuine VacMaster 30614 4 Mil 8 Inch by 10 Inch Vacuum Chamber Pouches. Home & Kitchen. Kitchen & Dining. VACMASTER.
Q: Polk Audio PSW404 10-Inch 200-Watt Powered Subwoofer (Single, Black). Electronics. Home Audio. Polk Audio.
R: Shock Doctor Low Profile Convertible Lip Guard, Adult, Assorted Colors. Sports & Outdoors. Sports & Fitness. Shock Doctor.
S: Norpro 6" tortilla maker. Home & Kitchen. Kitchen & Dining. Norpro.
T: HDMI to RCA AV Converter CoolDigital HDMI to 3RCA AV CVBS Composite Audio Video Adapter 1080p Supporting PAL/NTSC with USB Charge Cable for PS4 PS3...


assistant
Answer: B