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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Snagmag Concealed Magazine Holster (S&W Shield - 9mm/.40, Right Hand). Sports & Outdoors. Sports & Fitness. SnagMag.
2nd: Burris FastFire Red-Dot Reflex Sight with Picatinny Mount (4 MOA Dot Reticle). Sports & Outdoors. Sports & Fitness. Burris.

Options:
A: Fintie Microsoft Surface 3 Case - [Smart Book Series] Protective Cover Supports Three Viewing Angles for Microsoft Surface 3 10.8-Inch Windows Tablet (Not Fit Surface...
B: Speedo 7050153 Youth Fastskin FSII Jammer Cycling Short. Sports & Outdoors. Outdoor Recreation.
C: BestTopc NEW One Dozen (12) Rubber Duck Ducky Duckie Baby Shower Birthday Party Favors. Home & Kitchen. Event & Party Supplies. BestTopc.
D: JESBOD QY11 Wireless Headset Bluetooth 4.1 with Mic IPX4 Sweatproof Noise-Canceling for Running. Electronics. Headphones. JESBOD.
E: Bolse 12W Portable Smart NFC Wireless Bluetooth v4.0 Speaker (Two Large 40MM 6W Drivers) with Touch Control Function and up to 15 Hour Playback For...
F: HeavyStar Dedicated Metal Step Up Ring Set 49-52-55-58-62-67-72-77mm. Electronics. Camera & Photo. S&W Photo Equip.
G: Weaver Base System. Sports & Outdoors. Sports & Fitness. Weaver.
H: NESCO JS-5000T, Jet Stream 2 Oven, White, 1200 watts. Home & Kitchen. Kitchen & Dining. Nesco.
I: Clear 2O CWF1012 Water Filter (1-Pack). Home & Kitchen. Kitchen & Dining. Clear2o.
J: Alegria 5614 Twin Size Headboard from Nexera, Natural Maple. Home & Kitchen. Furniture. Nexera.
K: Sony Handlebar Mount. Electronics. GPS, Finders & Accessories. Sony.
L: DEMDACO Black Cat Mug, Multicolored. Home & Kitchen. Kitchen & Dining. DEMDACO.
M: Comfort Glow EUH341 Milkhouse Style Electric Heater 5,200 Btu. Home & Kitchen. Heating, Cooling & Air Quality. Comfort Glow.
N: Magnetic Retractable EarBUDs With MIC plus Control Button - Nautical. Electronics. Headphones. Funky Rico.
O: Optimal Shop Mini 2.4GHz Wireless Optical Pen Mouse Adjustable 800/1200/1600 DPI for PC Android Laptop Accessories Computer Peripherals-Red. Electronics. Computers & Accessories. Optimal Shop.
P: NEW Logitech Webcam C210 (Cameras & Frames). Electronics. Computers & Accessories. Logitech.
Q: NEEWER DS300 Studio Strobe Photo Flash Light with Bowens Style Mount - 300W Photography Monolight. Electronics. Camera & Photo. Neewer.
R: Flags of All Nations, International Flags - 72 flags for Party Decorations, School Events, Cultural Studies. Home & Kitchen. Event & Party Supplies. Fun Express.
S: Chezmoi Collection 2-piece Chevron Zig Zag Comforter Bedding Set (Twin, Grey). Home & Kitchen. Bedding. Chezmoi Collection.
T: Sunbeam Fleece Heated Blanket - Twin Blue. Home & Kitchen. Bedding. Sunbeam.


assistant
Answer: G