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: VISM by NcStar Tactical Back Pack. Sports & Outdoors. Sports & Fitness. NcSTAR.
2nd: UTG Elite Tactical Right Handed Leg Holster. Sports & Outdoors. Sports & Fitness. UTG.
3rd: Rothco O.D. Canvas Axe Sheath . Sports & Outdoors. Outdoor Recreation. Rothco.
4th: Heavy Duty Vinyl Belt w/ Buckle (NeonYellow).  Reflex.
5th: Gear Aid Sea Gold Anti-fog Gel Coating for SCUBA Masks, 1.25 fl oz. Sports & Outdoors. Outdoor Recreation. Gear Aid.
6th: Large ALICE Field Pack with Frame and Full Outfit LC-1 Green. Sports & Outdoors. Outdoor Recreation. Heartland Values Outdoors.

Options:
A: Marumi 67mm 67 DHG MC Lens Protect Slim Filter Japan. Electronics. Accessories & Supplies. Marumi.
B: Collegiate Black Putter Cover. Sports & Outdoors. Fan Shop. Team Effort.
C: GiveU Pack of 2 Flameless LED Votive CandlesBattery Operated Flickering Candle, 2" D x 6" H, Ivory. Home & Kitchen. Home Dcor. GiveU.
D: Salter 074 22-Pound Extra High Capacity Mechanical Kitchen Scale with Tray, Chrome. Home & Kitchen. Kitchen & Dining. Salter.
E: Blank Shooting Target Pasters 1 Inch 1,000 Adhesive Target Stickers For Shooting, Black. Home & Kitchen. Kitchen & Dining. BLITZU.
F: Yescom Set of 2 Ceramic Ozone Plates for Popular Home Air Purifiers 4.5" x 4.5" Air Fresh Replacement Parts. Home & Kitchen. Heating, Cooling &...
G: 3.5mm splitter to 2rca adapter, 3.5mm Stereo to 2-RCA Male to Female Adapter (3.5mm-2RCA). Electronics. Accessories & Supplies. SinLoon.
H: Fiebing's Company Prime Neatsfoot Oil Compound. Sports & Outdoors. Sports & Fitness. Fiebing's.
I: Sony VPL-AW15 BRAVIA Home Theater LCD Front Projector. Electronics. Video Projectors. Sony.
J: Linksys AC1600 Wi-Fi Wireless Dual-Band+ Router with Gigabit & USB Ports, Smart Wi-Fi App Enabled to Control Your Network from Anywhere (EA6400). Electronics. Computers &...
K: Ultra Pro 3 x 4 Premium Topload Card Holders, 25.  Ultra Pro.
L: Nespresso C111-US-RE-NE1 Citiz Espresso Maker, Red. Home & Kitchen. Kitchen & Dining. Nestle Nespresso.
M: Cuisinart DCC-2650FR 12 Cup Extreme Brew Programmable Coffeemaker (Certified Refurbished). Home & Kitchen. Kitchen & Dining. Cuisinart.
N: Shot Flask - Stainless Steel 8 oz Hip Flask, Built-in Collapsible 2 Oz. Shot Glass & Flask Funnel - Everything You Need to Pour Shots...
O: Bruntmor, Set of 2 18/8 Stainless Steel Double Wall Insulated Tumbler with Straw - 17 oz. No-Leak Lid & Straw - Perfect for Smoothies, Iced...
P: Ringside Limited Edition IMF Tech Boxing Kickboxing Muay Thai Training Gloves Sparring Punching Mitts. Sports & Outdoors. Sports & Fitness. RINGSIDE.
Q: SE GP4-60 5.5-Inch Mini Stackable Sifting Pan, 60 Holes/Square Inch. Home & Kitchen. Kitchen & Dining. SE.
R: BambooMN 3.5" Bamboo Tea Knotted Knot Skewers Picks for Cocktails and Hors' D'oeuvres Party Supplies, 1000 Pieces. Home & Kitchen. Kitchen & Dining. BambooMN.
S: Zsun WiFi Memory Card Reader TF MicroSD USB Flash Drive for iPhone iPad Mac PC Smart Android Phone Tablet (Black). Electronics. Computers & Accessories. zsun.
T: ZHPUAT 14 Inch Stainless Steel Housewares Cutlery Indoor/Outdoor Wall Clock Orange. Home & Kitchen. Home Dcor.


assistant
Answer: K