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: Cooler Master CM 690 II Advance ATX Mid-Tower Case (RC-692-KKN2). Electronics. Computers & Accessories. Cooler Master.
2nd: Samsung HT-E5500W HTIB 5.1 Channel 3D Blu-ray 1000-Watt Home Theater System. Electronics. Television & Video. Samsung.
3rd: Samsung UN32EH5000 32-Inch 1080p 60Hz LED TV (2012 Model). Electronics. Television & Video. Samsung.
4th: SoundBot SB220 Bluetooth Headset Wireless Stereo Headphone for Music Streaming & HandsFree - Black. Electronics. Headphones. Soundbot.
5th: Sony 8GB Micro Vault M-Series USB 2.0 Flash Drive, White (USM8GM/W). Electronics. Computers & Accessories. Sony.
6th: iClever Wireless Bluetooth FM Transmitter Radio Adapter Car Kit with 3.5mm Audio Plug and USB Car Charger, Black. Electronics. Portable Audio & Video. iClever.
7th: Synology DiskStation 2-Bay Diskless Network Attached Storage (DS214play). Electronics. Computers & Accessories. Synology.
8th: CAT 6 Ethernet Cable, 6 ft [2 Pack] LAN, UTP (1.8 Meters) CAT6, RJ45, Network, Patch, Internet Cable - (6 ft). Electronics. Computers & Accessories...
9th: CyberPower EC350G Ecologic UPS System, 350VA/255W, 8 Outlets, ECO Mode, Compact. Electronics. Computers & Accessories. CyberPower.

Options:
A: Silicon Power Rugged Armor A80 750 GB 2.5-Inch USB 3.0 and USB 2.0 Military Grade Portable External Hard Drive SP750GBPHDA80S3B (Blue). Electronics. Computers & Accessories...
B: Olympus TG-1iHS 12 MP Waterproof Digital Camera with 4x Optical Zoom. Electronics. Camera & Photo. Olympus.
C: Brentwood Home Cypress Mattress, Greenguard Gold & CertiPUR Certified Non Toxic, Soft Eco Cover, Cool Gel Memory Foam, 25-Year Warranty, Made in California, 9-Inch, King...
D: Cotton Craft - 2 Pack Christmas Decorative Guest Hand Towel Set 16x26 - Snowman - Light Blue - Makes an excellent gift - Luxurious 100%...
E: Way Basics Eco Stackable Connect Storage Cube with Shelf Cubby Organizer (world's easiest tool-free assembly and made from sustainable non-toxic zBoard paperboard). Home & Kitchen...
F: Replacement EN-EL12 2 Pack Battery and Charger Kit For NIKON Coolpix A900, S800c, S8200, S9100, S9300, S6300, S9200, S9500, AW120, AW130, S9700, S9900, Nikon KeyMission...
G: Craft Sportswear Men's Active Extreme Long Sleeve Base Layer Athletic Training Fitness Shirt: cooling/sport/bike/ski/run/sun/protection/top. Sports & Outdoors. Fan Shop. Craft Sportswear.
H: Maxwell and Williams Basics Slate 9-Piece Square Dipping Set, White. Home & Kitchen. Kitchen & Dining. Maxwell and Williams Designer Homewares.
I: Cuisinart CH-4BK Elite Collection 4-Cup Chopper/Grinder, Black. Home & Kitchen. Kitchen & Dining. Cuisinart.
J: Corsair CMY32GX3M4A1600C9B Vengeance Pro Series 32GB (4 x 8GB) DDR3 DRAM 1600MHz C9 Memory Kit 1.5V. Electronics. Computers & Accessories. Corsair.
K: Mk Collection Queen Size 100% Finest Quality Long Staple Brushed Microfiber Comfortable Quadruple Pleated Bed-skirt Solid Dark Grey/Charcoal New. Home & Kitchen. Bedding.
L: LensCoat Lens Cover for Canon 100-400 Lens Cover camouflage neoprene camera lens protection sleeve (Real tree Max4) lenscoat. Electronics. Camera & Photo. LensCoat.
M: Soft Silky Satin Solid Purple 4pc Deep Pocket Sheet Set for King Bed. Home & Kitchen. Bedding. Chezmoi Collection.
N: Buffalo TeraStation 5200 2-Drive 2 TB Desktop NAS for Small/Medium Business SMB (TS5200DN0202). Electronics. Computers & Accessories. BUFFALO.
O: Flash Furniture DS-801-CONT-BK-GG Contemporary Black Vinyl Adjustable Height Barstool with Chrome Base. Home & Kitchen. Furniture. Flash Furniture.
P: Bushwhacker Tahoe Black - Bicycle Frame Bag w/ Reflective Trim Cycling Triangle Pack Bike Crossbar Top Tube Stem Bag Front Rear Accessories. Sports & Outdoors...
Q: OEM Systems ISF-147 Ceiling Speaker Protective Cover. Electronics. Home Audio. OEM SYSTEMS COMPANY.
R: Shades iPod Classic 6G/7G Case, Skin - 80, 120, 160GB-2009 Model - Black/Clear. Electronics. Portable Audio & Video. ShadesCases.
S: 6 foot Laptop Security Cable for Noteguard Universal Notebook. Electronics. Computers & Accessories. Generic.
T: Canon PowerShot SX50 HS 12.1 MP Digital Camera with 50x Optical IS Zoom with 50" Tripod w/ Case and 32GB Deluxe Accessory Bundle. Electronics. Camera...


assistant
Answer: A