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: Gaiam No-Slip Yoga Towels. Sports & Outdoors. Sports & Fitness. Gaiam.
2nd: Humangear GoToob, Small (1.25oz), Orange. Sports & Outdoors. Outdoor Recreation. humangear.
3rd: Spoga Premium Quality Yoga Blocks (Set of 2). Sports & Outdoors. Sports & Fitness. Spoga.
4th: Klean Kanteen 16-Ounce Wide Insulated Stainless Steel Bottle with Loop Cap. Sports & Outdoors. Sports & Fitness. Klean Kanteen.

Options:
A: Invicta Men's Pro Diver 14509. Sports & Outdoors. Outdoor Recreation. Invicta.
B: Women In Business Thoroughbred Laptop Tote. Electronics. Computers & Accessories. Women In Business.
C: Klean Kanteen Wide Mouth Bottle. Sports & Outdoors. Sports & Fitness. Klean Kanteen.
D: Close Up Red Dancer Poster R. Magrini Flamenco (24"x36"). Home & Kitchen. Wall Art. Close Up.
E: InterDesign Duo Foaming Soap Dispenser Pump for Kitchen or Bathroom Countertops, Clear/Brushed Nickel. Home & Kitchen. Bath. InterDesign.
F: Dictionary Art Print - Kraken attacking Boat - Printed on Recycled Vintage Dictionary Paper - 8.5"x11" - Mixed Media Poster on Vintage Dictionary Page. Home...
G: 1911 4.25" With or Without Laser Grips NO Rail IWB Dual Snap Holster R/H Brown - 0408. Sports & Outdoors. Sports & Fitness. Winthrop Holsters.
H: TRENDnet Wireless N Pan, Tilt, Zoom Network Surveillance Camera with 1-Way Audio, TV-IP651W, White (Certified Refurbished). Electronics. Computers & Accessories. TRENDnet.
I: BSA 3-12X40 Sweet 223 Rifle Scope with Adjustable Objective and 3 Drums for Quick Change Turret System. Sports & Outdoors. Sports & Fitness. BSA.
J: Fomito Metal Camera Waist Spider Belt Holster 1/4" Screw Quick Strap Buckle Dull Polished Surface for DSLR Digital SLR Camera GoPro,etc. Electronics. Camera & Photo...
K: Vemingo Vacuum Storage Bags Air Tight Bags 8 Pack Extra Large 43 X 32'' Bonus Hand-Pump. Home & Kitchen. Storage & Organization. Vemingo.
L: Ashwood Road 5-Shelf Bookcase (Estate Black). Home & Kitchen. Furniture. Better Homes & Gardens.
M: SIIG Wireless Ergonomic Dura-Duo Keyboard and Mouse Combo, 24GHz (33 feet) Long-Range, Water-Resistant, for Windows 10/8/7 or Mac. Electronics. Computers & Accessories. SIIG.
N: ChestnutPro-Cut. Home & Kitchen. Kitchen & Dining. DD Products, LLC.
O: Vivitar Deluxe Power Battery Grip for Sony Alpha A6000 & A6300 Camera with Wireless Remote. Electronics. Camera & Photo. Vivitar.
P: GOGO 24 PCS Aluminum D-shaped Carabiners in Assorted Colors, Gift Idea. Sports & Outdoors. Outdoor Recreation. GOGO.
Q: American Fishing Wire Surflon Crimp Kit, 30 Pound Test, Black Color. Sports & Outdoors. Sports & Fitness. American Fishing Wire.
R: MFJ-4225MV MFJ4225MV MFJ Original 25A Switching Power Supply. Electronics. Portable Audio & Video. MFJ.
S: Welcome Sign Banner Party Accessory (1 count) (1/Pkg). Home & Kitchen. Event & Party Supplies. Beistle.
T: RACE NUMBERS 5.5"x8" official competitor custom tyvek bib numbers - set of 100, any series between 1 and 10,000 - add your free color logo...


assistant
Answer: C