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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Legrand - Wiremold C210 Cord Mate II Kit- Cable Concealer On Wall Cord Cover Raceway, White. Electronics. Accessories & Supplies. Wiremold.
2nd: HDMI Audio Extractor, Cingk HDMI To HDMI Video and Optical Toslink(SPDIF) RCA(L/R) Stereo Analog Audio Converter Separator. Electronics. Accessories & Supplies. CiNgK.
3rd: WiFi Adapter AC600 USB Wireless Adapter 2.4GHz/5GHz Dual Band Network LAN Card with External Antenna for Windows 10/8.1/7/XP/Vista/Mac OS10.6-10.13. Electronics. Computers & Accessories. EDUP.
4th: Ubiquiti Unifi Security Gateway (USG). Electronics. Computers & Accessories. Ubiquiti Networks.
5th: Divoom Aurabox Bluetooth 4.0 Smart LED Speaker with APP Control for Pixel Art Creation (Black). Electronics. Portable Audio & Video. Divoom.
6th: Microsoft Surface 3 Screen Protector 10.8 Inch, Nearpow® Tempered Glass Screen Protector with [9H Hardness] [2.5D Round Edge] [Crystal Clear] [Easy Bubble-Free Installation] [Scratch Resist]...

Options:
A: 3L Hydration Bladder - Easy Cleaning BPA Free Taste free FDA Approved, Quick release insulated tube and extra reinforced 100 oz Water Reservoir - Great...
B: Rode VideoMic Camera Mount Shotgun Microphone with Rycote Shockmount. Electronics. Camera & Photo. Rode.
C: Brentwood Originals Indoor/Outdoor Chair Cushion Brentwood, Manu Bay Buff, 1 piece. Home & Kitchen. Kitchen & Dining. Brentwood Originals.
D: iPad Pro Case, 9.7" (Clear) SaharaCase Protective Kit [Case + Tempered Glass Screen Protector] Shock-Absorption Bumper [Built-in Camera Hood] Scratch-Resistant Hard Back (Clear). Electronics. Computers...
E: Elegance Serpentine Silver Plated Gallery Tray,Leeber Limited USA,89261 />. Home & Kitchen. Kitchen & Dining. Elegance.
F: J-Tech Digital ® 4KHDMI51 Premium Most Advanced 5 Ports HDMI Switch 5x1 Powered Switch with IR wireless Remote and power adapter Support 1080P,Ultra HD 4K...
G: Greenland Home Clearwater 3-Piece Quilt Set, Full/Queen. Home & Kitchen. Bedding. Greenland Home.
H: QCLED 200led Solar String Light Fright Light for Christmas and Garden Decoration (Warm white). Home & Kitchen. Seasonal Dcor. QCLED.
I: CloudLine Merino Wool 1/4 Top Running & Athletic Socks- Light Cushion- Mfr in US. Sports & Outdoors. Outdoor Recreation. CloudLine.
J: Coleman Grill Stove Griddle. Sports & Outdoors. Outdoor Recreation. Chefmos.
K: Spalding Neoprene Ankle Support. Sports & Outdoors. Sports & Fitness. Spalding.
L: Rosewill 6-Feet DVI-D (24+1) Male to DVI-D (24+1) Male Digital Dual Link Cable (RCW-401). Electronics. Accessories & Supplies. Rosewill.
M: Sandsational Sparkle Gold Shimmer Unity Sand, 22 oz, Colored Sand for Weddings, Vase Filler, Home Décor, Craft Sand. Home & Kitchen. Home Dcor. Sandsational Sparkle.
N: Infrared Resources Block-less 2 device 30~60kHz IR Receiver Extender Kit,Operates all A/V(IR) devices,Apple TV etc. (+Uverse,SA/Cisco Explorer,DirecTV,Bell, Foxtel). Electronics. Accessories & Supplies. Infrared Resources.
O: 100% Copper Mug for Moscow Mule - Solid Smooth Pure Copper 16oz. Home & Kitchen. Kitchen & Dining. PureCopper.
P: Butler Creek Universal Lula Black Pistol Loader Poly Bag. Sports & Outdoors. Sports & Fitness. Maglula ltd.
Q: Park Designs Star Vine Mixing Bowls (Set of 3), Multicolor. Home & Kitchen. Kitchen & Dining. Park Designs.
R: Festive Christmas Holiday Plush Elf Wreath Decorating Kit, Multicolor. Home & Kitchen. Home Dcor. Burton & Burton.
S: motawator 50cm Diameter Swim Foam Ring Buoy Swimming Pool Safety Life Preserver W/Nylon Cover Kid Child Adult. Sports & Outdoors. Sports & Fitness. motawator.
T: Punch Studio Blue Royal Peacock Photo Storage Box. Electronics. Camera & Photo. Punch Studio.


assistant
Answer: B