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: (OLD MODEL) Crucial M500 120GB SATA 2.5” 7mm (with 9.5mm adapter) Internal Solid State Drive -  CT120M500SSD1. Electronics. Computers & Accessories. Crucial.
2nd: Marware Eco-Vue Leather Kindle Folio, Brown (Fits Kindle Keyboard). Electronics. Computers & Accessories. Marware.

Options:
A: Troy Industries TRX Rail. Sports & Outdoors. Sports & Fitness. Troy Industries.
B: N2A Cards (R) - Transform your Nook Tablet into a Kit-Kat 4.4.2 Android Tablet (new 2014 version) - (32 GB). Electronics. Computers & Accessories. N2A...
C: Westcott Combo Set 12"-. Home & Kitchen. Kitchen & Dining. Westcott.
D: IronMind Tough-As-Nails Sandbag Set. Sports & Outdoors. Sports & Fitness. IronMind.
E: Clothes Drying Rack , 2-Tier High Capacity 60 Garments, Stainless Steel , Foldable , 4 Legs with Wheels. Home & Kitchen. Storage & Organization. Home...
F: Primode Holiday Ornament Storage Box Chest, With 4 Trays Holds Up to 64 Ornaments Balls, With Dividers (Green). Home & Kitchen. Storage & Organization. Primode.
G: Insten Insten All Channel FM Transmitter with USB Port for Apple iPhone 5 - Retail Packaging - Black. Electronics. Portable Audio & Video. INSTEN.
H: Maxy Home Hamam Paisley Black 18" x 31" Rubber Backed Door Mat. Home & Kitchen. Home Dcor. Maxy Home.
I: Elite Survival Systems ELSCOCFN Covert Operations Fn P90 Ps90 Rifle Case, Black, 28". Sports & Outdoors. Sports & Fitness. Elite Survival Systems.
J: Manu Home Rose Potpourri ~ Fill the air in your space with our Fresh Rose Scent~ Large Beautiful Rose Potpourri made with Essential Oils ~...
K: Mason Jar Hanging Caddy - Quart Jar Size. Home & Kitchen. Kitchen & Dining. Colonial Tin Works.
L: Singolo Espresso Machine, white, 15.9 Pound. Home & Kitchen. Kitchen & Dining. Costa Rica Coffee Export S.A. (CRCXSA).
M: KINGLAKE New Waterproof Wireless Bluetooth Shower Speaker Handsfree Speakerphone Compatible with All Bluetooth Devices iPhone 5S and All Android Devices (Yellow). Electronics. Portable Audio &...
N: Kingston ValueRAM 1GB 533MHz DDR2 Non-ECC CL4 SODIMM Notebook Memory. Electronics. Computers & Accessories. Kingston.
O: U.S. WWII Fleece Lined M1 Carbine Case with Carry Strap - Marked U.S. Sports & Outdoors. Sports & Fitness. IMA.
P: BLACK+DECKER 83379 Durable Titanium Nonstick Interior Fry Pan, 8", Black. Home & Kitchen. Kitchen & Dining. Black + Decker Cookware.
Q: Fin Fun Mermaid Tail Blanket for Kids, Aqua Marine. Home & Kitchen. Bedding. Karl Lagerfeld.
R: Pharos Traveler 525 2.27-Inches Bluetooth Portable GPS Navigator. Electronics. GPS, Finders & Accessories. Pharos.
S: InterDesign Ariana Glass Soap & Lotion Dispenser Pump for Kitchen or Bathroom Countertops, Clear/Matte White. Home & Kitchen. Bath. InterDesign.
T: Barsony New Olive Drab Leather Gun IWB Holster for Full Size 9mm 40 45. Sports & Outdoors. Sports & Fitness. Barsony.


assistant
Answer: M