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: Kingston Digital 8GB microSDHC Class 4 Flash Memory Card SDC4/8GBSP. Electronics. Computers & Accessories. Kingston.
2nd: Sandisk 8GB 8G Micro SDHC Class 4 TF Memory Card with Micro SD Card Reader - Bulk Packed. Electronics. Computers & Accessories. SanDisk.

Options:
A: FLEXIMOUNTS A02 Articulating Full Motion Tilt TV Monitor Wall Mount for 26"-42" Flat Screen Panel TV. Electronics. Accessories & Supplies. FLEXIMOUNTS.
B: InterDesign Linus - Stackable Drawer Organizer for Glasses - Clear - 10.75 x 7.25 x 2.5 inches. Home & Kitchen. Storage & Organization. InterDesign.
C: Galco Miami Classic II Shoulder System for Glock 17, 22, 31. Sports & Outdoors. Sports & Fitness. Galco Gunleather.
D: CycleOps Mag+ Trainer w/Adjuster. Sports & Outdoors. Outdoor Recreation. CycleOps.
E: Venum "Attack" MMA Gloves. Sports & Outdoors. Sports & Fitness. Venum.
F: HIC Harold Import Co. 43189 Pro V-Shaped Wire Roasting Rack, Nonstick. Home & Kitchen. Kitchen & Dining. HIC Harold Import Co.
G: REPLACEMENT for your existing 2 prongs intercoms that were formally marketed as"FM Wireless Intercom" by Radio Shack, GE, Novi 1990’s to 2016. Electronics. Security &...
H: 2014 Note 10.1 Screen Protector, Boriyuan UltraThin Crystal Clear Tempered Glass Screen Protector for Samsung Galaxy Note 10.1inch 2014 Edition+Micro Fiber Cleaning Cloth+Alcohol Cloth+Anti-dust Film...
I: Kindle Fire Skin Kit/Decal - Swimming Dolphins - Dan Morris (will not fit HD or HDX models). Electronics. Computers & Accessories. DecalGirl.
J: FAVI 135-inch (16:9) Fixed Frame Projection Screen - US Version (Includes Warranty) - Pro AV Series (FF3HD135). Electronics. Video Projectors. FAVI.
K: Hard Carrying Case, Carbon Fiber Design, Ego Travel Vape Case Multiple Uses [CASE ONLY] (Black). Electronics. Accessories & Supplies. THORVAP.
L: Simpli Home Dover 3-Piece PU Leather Rectangular Storage Ottomans, Tanners Brown. Home & Kitchen. Furniture. Simpli Home.
M: IRULU eXpro Mini 7 Inch Android 4.4 KitKat Tablet Quad Core 16GB - Black. Electronics. Computers & Accessories. iRULU.
N: BestDealUSA Faux Folio Stand Flower Case Cover For Samsung Galaxy Note 10.1 Tablet N8000. Electronics. Computers & Accessories. BestDealUSA.
O: Park Tool 130 Repair Stand Base For PRS-3LB, PRS-3 OSLB, and PRS-23LB. Sports & Outdoors. Outdoor Recreation. Park Tool.
P: Sockwell Women's It's A Wrap Socks. Sports & Outdoors. Outdoor Recreation. Sockwell.
Q: Cokin P-Series  52mm  Lens Adapter Ring. Electronics. Camera & Photo. Cokin.
R: Sandpiper of California Laptop Case (Black, 17x12x3-Inch). Electronics. Computers & Accessories. Sandpiper of California.
S: Fishing Ammo Shell Bobbers, 3 Per Pack. Sports & Outdoors. Sports & Fitness. Fishing Ammo.
T: Plano Protector Single Pistol Case. Sports & Outdoors. Sports & Fitness. Plano.


assistant
Answer: R