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 items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
Purchase History:
1st: Handle for Yeti Rambler 30 Oz - The Tumbler Tamer - fits Ozark Trail SIC Thermik & many others - Black Ice. Home & Kitchen...
2nd: SoundAsleep Dream Series Air Mattress with ComfortCoil Technology & Internal High Capacity Pump - Queen Size. Home & Kitchen. Bedding. SoundAsleep Products.

Options:
A: Viski Professional Lewis Ice Bag. Home & Kitchen. Kitchen & Dining. Viski.
B: Victorinox Swiss Spear Tipped Stainless Steel Steak Knife with Black Fibrox Handle, Set of 6. Home & Kitchen. Kitchen & Dining. Victorinox.
C: Navitech Cycle / Bike / Bicycle / Motorbike Waterproof holder mount and case for GPS satnav models up to 4.3 inches. Electronics. GPS, Finders &...
D: Eathtek NEW CPU Fan for HP DV6-6000 DV6-6200 fits P/N MF60120V1-C180-S9A AD6505HX-EEB. Electronics. Computers & Accessories. MDT.
E: Taotaole Mini Portable Multimedia LED Projector Home Cinema Theater PC VGA USB AV HDMI SD Card. Electronics. Video Projectors. Taotaole.
F: Bórne Ms600 Vertical CD Micro System with 20 track memory, PLL FM Radio, clock with singel alarm functionm aux-in, wall mountable. Electronics. Portable Audio &...
G: Sleeplac 10 In Aquarius Cool I Gel Firm Ventilation Memory Foam Mattress Twin 10FM01T. Home & Kitchen. Furniture. SLEEPLACE.
H: Sabrent Jaws Flex Clamp Mount with Adjustable Neck for GoPro Cameras [Compatible with All GoPro Cameras] (GP-JWFC). Electronics. Camera & Photo. Sabrent.
I: Lamkin Crossline Midsize (+1/16 Inch) 13 Piece Golf Grip Bundle (. Sports & Outdoors. Sports & Fitness. Lamkin.
J: HP Pavilion DV6725US 15.4-inch Entertainment Laptop (AMD Turion 64 X 2 Dual Core TL-60 Processor, 2 GB RAM, 160 GB Hard Drive, Vista  Premium)...
K: Baleaf Women's 7" Active Fitness Pocket Running Shorts Leopard Size M. Sports & Outdoors. Sports & Fitness. Baleaf.
L: Ram Mount RAM-B-149Z-202U Double Ball Handlebar Mount with Aqua Box Adapter. Electronics. GPS, Finders & Accessories. RAM MOUNTS.
M: Nordic Ware Natural Aluminum Commercial Baker's Half Sheet with Lid. Home & Kitchen. Kitchen & Dining. Nordic Ware.
N: Attmu 12 Pack Beach Towel Clips Chair Clips Towel Holder in Fun Bright Colors - Stop The Towels from Blowing Away. Home & Kitchen. Storage...
O: Seashells, Beach Themed, Nautical Queen Comforter Set & Toss Pillows (7 Piece Bed In A Bag). Home & Kitchen. Bedding. Island Living.
P: HQY Magnet-Automatic Beer Bottle Opener, No Cap Can Escape (New Verision). Home & Kitchen. Kitchen & Dining. HQY.
Q: Harcas Knife Sharpener Professional Sharpening System, Black. Home & Kitchen. Kitchen & Dining. Harcas Knife Sharpener.
R: Belkin 4-Outlet Conference Room Power Center Surge Protector with 8 USB Charging Ports, 1080 Joules (B2E031tt06-BLK). Electronics. Accessories & Supplies. Belkin.
S: Gladiator ProForce 8oz Combat Karate Pants. Sports & Outdoors. Sports & Fitness. Gladiator.
T: Horizon Fitness T101-04 Treadmill. Sports & Outdoors. Sports & Fitness. Horizon Fitness.


assistant
Answer: M