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: Oster TSSTTVXLDG Extra Large Digital Toaster Oven, Stainless Steel. Home & Kitchen. Kitchen & Dining. Oster.
2nd: The Back Sac - Adjustable Back Rest & Body Support Cushion. Home & Kitchen. Bedding. Back Sac.
3rd: Bissell Little Green PROheat Deep Reach Spot Cleaner, Bright White, 50Y6. Home & Kitchen. Vacuums & Floor Care. Bissell.
4th: Crane USA Warm Mist Humidifier, White. Home & Kitchen. Heating, Cooling & Air Quality. Crane USA.
5th: Water Pillow by Mediflow: The first and original water pillow, clinically proven to reduce neck pain and improve sleep. Therapeutic, ideal for those who suffer...
6th: Ninja Professional Blender (NJ600) (Discontinued). Home & Kitchen. Kitchen & Dining. SharkNinja.

Options:
A: LANG Water Lily Mug, 14-Ounce. Home & Kitchen. Kitchen & Dining. Lang.
B: StarTech.com 6 ft Computer Power Cord - NEMA 5-15P to 2x C13 - C13 Y-Cable - Power Cord Y Splitter Cable - Power two monitors...
C: Sunpak PF30XN Digital SLR Camera Dedicated i-TTL Flash for Nikon. Electronics. Camera & Photo. SUNPAK.
D: The Pioneer Woman Decorated Floral 6.4" Butter Dish. Home & Kitchen. Kitchen & Dining. The Pioneer Woman.
E: American Homes & Textiles 250-Thread-Count 100% Cotton Sateen Multi Stripe Queen Sheet Set, White. Home & Kitchen. Bedding. American Homes & Textiles.
F: Fintie Slim Shell Case for Samsung Galaxy Tab S2 9.7 - Ultra Lightweight Protective Stand Cover with Auto Sleep/Wake Feature for Samsung Galaxy Tab S2...
G: Gefen DVI to Mini DisplayPort Converter (EXT-DVI-2-MDP). Electronics. Computers & Accessories. Gefen.
H: Brentwood TS-345R Toaster, 14.5 x 9.5 x 8.5-Inch, Red Tone. Home & Kitchen. Kitchen & Dining. Brentwood.
I: Numrich Gun Parts Ruger New Model Single-6, New Model Blackhawk, Old Army Grips. Sports & Outdoors. Sports & Fitness. Numrich Gun Parts.
J: Funny Mug - Does this ring make me look engaged? Engagement - 11 OZ Coffee Mugs - Inspirational gifts and sarcasm - By A Mug...
K: Holiday Poinsettia Embroidered Round 70 in. Tablecloth with Red Trim Border. Home & Kitchen. Kitchen & Dining. Creative Home Ideas.
L: LG Electronics 8X External Blu-ray ReWrite Drive BE08LU20 BLACK/RETAIL (Black). Electronics. Computers & Accessories. LG.
M: Peace Yoga Yoga Mat Wrap Bag Carrier - Choose Your Color. Sports & Outdoors. Sports & Fitness. Peace Yoga.
N: Crystal Allies Gallery CA SLS-CUBE-S Natural Himalayan Cube Salt Lamp on Wood Base with Cord, Light Bulb and Authentic Crystal Allies Info Card, 4.5" x...
O: Western Gun Holster - Brown - Left Handed - for .22 Caliber single action revolver - Size 6" - Tooled Leather. Sports & Outdoors. Sports...
P: Sduck Replacement Parts for Nutri Ninja Blender, 4" Seven fins on bottom of Blade Assembly For 1000w Nutri Ninja Blender Auto-iQ. Home & Kitchen. Kitchen...
Q: Meat Market Value Pack | Halloween Decor. Home & Kitchen. Event & Party Supplies. Amscan.
R: TronMax AV Audio/Video Cable For Snes Nintendo N64 Gamecube TV Game System - Bulk Packaged. Electronics. Accessories & Supplies. TronMax.
S: Xtreme Comforts King Size Pillows for Sleeping, Hypoallergenic Bed Pillow for Side Sleeper – Adjustable Loft Bamboo Memory Foam Pillow - Bamboo Cover, Washable -...
T: BUILT Rolltop Expandable Lunch Bag, Black. Home & Kitchen. Kitchen & Dining. BUILT.


assistant
Answer: S