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: Spec.-Ops. Brand Patrol Sling 2-Point. Sports & Outdoors. Sports & Fitness. Spec.-Ops. Brand.
2nd: SureFire EP5 Sonic Defenders Max Full-Block Earplugs, triple flanged design, reusable. Sports & Outdoors. Sports & Fitness. SureFire.

Options:
A: Micargi Rover LX Beach Cruiser. Home & Kitchen. Furniture. Micargi.
B: Navitech Pink Magnetic Smart Cover For The New ipad (third 3rd generation 2012) now modified for sleep and wake magnetic function™. Electronics. Computers & Accessories.
C: Night Owl Security 1-Pair Passive Video Balun Converters with power for Security CCTV systems - A-VB-POE-BNC. Electronics. Security & Surveillance. Night Owl Security.
D: One Press Hands Free Can Opener. Home & Kitchen. Kitchen & Dining. 5 STAR SUPER DEALS.
E: KitchenAid Stand Mixer, 7 QT, Polished Bowl, W10354778 by Whirlpool. Home & Kitchen. Kitchen & Dining. Whirlpool.
F: Sangean RCR-2 AM/FM Atomic Clock Radio (Silver). Electronics. Home Audio. Sangean.
G: Herman Miller Embody Chair: Fully Adj Arms - White Frame/Titanium Base - Standard Carpet Casters. Home & Kitchen. Furniture. Herman Miller.
H: Lenovo ThinkPad X1 Carbon 14-Inch Touchscreen Laptop (Black)3444CUU. Electronics. Computers & Accessories. Lenovo.
I: Collier Campbell Singing Birds Pillow Sham, Standard. Home & Kitchen. Bedding. Collier Campbell.
J: FYY Case for iPad Pro Cover - [Luxury Series] Premium PU Leather Case with Card Slots, Note Holder, Pencil Holder Case, Hand Strap and Elastic...
K: Magpul MBUS Flip-Up Backup Sights. Sports & Outdoors. Sports & Fitness. Magpul.
L: Iron Bull Strength The Shred Belt - Waist Trimmer Belt, Belly Fat Burner, Weight Loss Belt, Spot Reduction Belt, Waist Slimmer, Waist Trainer, Shaper and...
M: Leupold Mark 4 Base. Sports & Outdoors. Sports & Fitness. Leupold.
N: KC Hawaii Leilani Dashboard Hula Doll Playing Ukulele Green 7". Home & Kitchen. Home Dcor. KC Hawaii.
O: Ieik Ethernet Shield W5100 Micro-sd Card Slot for Arduino 2009 UNO Mega 1280 Mega 2560 Nano Duemilanove. Electronics. Car & Vehicle Electronics. IEIK.
P: Safavieh Retro Collection RET2144-7990 Modern Abstract Light Grey and Black Area Rug (5' x 8'). Home & Kitchen. Home Dcor. Safavieh.
Q: Vortex Optics Flip Cap Optic Covers. Sports & Outdoors. Sports & Fitness. Vortex Optics.
R: 13" Grease Splatter Screen for Cooking with Heavy Duty Ultra Fine Mesh Plus Silicone Hot Handle Holder - Frying Pan Splatter Guard Fits Most Pans...
S: Eberlestock Pack-Mountable Shooting Rest. Sports & Outdoors. Sports & Fitness. Eberlestock.
T: PUMA Golf NA Men's Blur Plaid Tech Shorts. Sports & Outdoors. Sports & Fitness. PUMA.


assistant
Answer: K