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: Rank the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
Purchase History:
1st: Bialetti Moka Express 9 cup Espresso Maker. Home & Kitchen. Kitchen & Dining. Bialetti.
2nd: SodaStream Jet Sparkling Water Maker Starter Kit, Black and Silver. Home & Kitchen. Kitchen & Dining. SodaStream.

Options:
A: RIO Gear DR-Military Cot. Sports & Outdoors. Outdoor Recreation. RIO Gear.
B: Help Me Heal Praying Nurse 5 inch Gray Resin Stone Table Top Figurine. Home & Kitchen. Home Dcor. Dicksons.
C: Tiger MMP-S030 Stainless Steel Mug, 10-Ounce, Metallic Brown. Home & Kitchen. Kitchen & Dining. Tiger Corporation.
D: Ultra Multi-Purpose PC Screw Kit. Electronics. Computers & Accessories. Ultra.
E: Nikon COOLPIX P530 16.1 MP CMOS Digital Camera with 42x Zoom and Built in Flash (Black) + EN-EL5 Spare Battery + 32GB Deluxe Accessory Bundle...
F: 7 Inch Multi-Angles Google Nexus 7 Tablet Leather Protection Case by i-UniK (Light Blue) - Colors Available: Hot Pink, Red, Lime Green, Light Blue, Expresso...
G: Fatboy The Original Bean Bag Chair - Brown. Home & Kitchen. Furniture. Fatboy.
H: FanWraps Fallout 4 Vault-Tec Weathered Tin Tote Replica. Home & Kitchen. Kitchen & Dining. FanWraps.
I: CamelBak All Clear Pre Filter. Sports & Outdoors. Sports & Fitness. CamelBak.
J: TrekStor vibez 12 GB MP3 Player (Black/Silver). Electronics. Portable Audio & Video. TrekStor GmbH & Co KG.
K: Underwater Audio Swimbuds Waterproof iPod Swimbuds Bundle (Space gray). Electronics. Portable Audio & Video. Underwater Audio.
L: Plantronics Voyager Edge Wireless and Hands-Free Bluetooth Headset - Compatible with iPhone, Android, and Other Leading Smartphones - Carbon Black. Electronics. Headphones. Plantronics.
M: DuraCasa Manual Coffee Grinder Burr Coffee Grinder - Coffee Maker With Grinder For Espresso - Roasted Coffee Bean Grinder - Burr Grinder Coffee Mill -...
N: Hemp Wick Dispenser Holder + 50 Feet of Organic HempWick. Home & Kitchen. Home Dcor. Humboldt Traders.
O: ZVac 4pk Compatible 32R9 203-1464 Style 9/10/12 Replacement Bissell Inner & Outer Filter for Bissell Bagless Upright Vacuums Generic Replaces 203-1183, 32065, 470813, 32064, 2032587,...
P: MeMeDa 5V 2.5W Mini USB Portable Dual Air Outlet Desktop Bladeless Air Conditioning Cooling Fan (Green). Home & Kitchen. Heating, Cooling & Air Quality. Dame...
Q: Canon Battery Charger CG-800. Electronics. Camera & Photo. Canon.
R: Nearly Natural 5208 Ficus Artificial Tree with Curved Trunk, 5-Feet, Green. Home & Kitchen. Home Dcor. Nearly Natural.
S: KEYESTUDIO Mega 2560 Board for Arduino +USB Cable. Electronics. Computers & Accessories. KEYESTUDIO.
T: HP Envy 13t 13.3-inch 8GB 512GB SSD QHD+ Windows 10 Home Ultrabook Laptop Computer. Electronics. Computers & Accessories. HP.


assistant
Answer: M