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: AmazonBasics USB A to Lightning Compatible Cable (3 Feet/0.9 Meter). Electronics. Computers & Accessories. AmazonBasics.
2nd: Crucial 4GB Kit (2GBx2) DDR3/DDR3L 1066 MT/s (PC3-8500) SODIMM 204-Pin Memory For Mac - CT2K2G3S1067M. Electronics. Computers & Accessories. Crucial.

Options:
A: Bestlight 80 LED Ultra High Power Panel Digital Camera/Camcorder Video Light for Canon, Nikon, Olympus, Pentax DSLR, mini-DSLR and Camcorder. Electronics. Camera & Photo. Neewer.
B: Celluon EPIC Ultra-Portable Full-Size Virtual Keyboard. Electronics. Computers & Accessories. Celluon.
C: Sage Smudge Kit with Smudging Feather Sage Stand and Shell. Home & Kitchen. Home Dcor. Sage N Smudge.
D: Culinary Couture Hot Gloves for Barbecue Grilling Cooking - Heat Resistant Oven Mitts Set - Provides 662F Protection - Bonus Ebook - XL. Home &...
E: Sound Storm PSY1600.4 1600 Watt Full Range, Class A/B, 2 to 8 Ohm Stable, 4 Channel Amplifier, Remote Subwoofer Control. Electronics. Car & Vehicle Electronics...
F: Old World Christmas Ornaments: Airplane Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.
G: Coolest Cooler. Sports & Outdoors. Outdoor Recreation. Coolest Cooler.
H: Monster Four Outlet Mini Power Strip (Discontinued by Manufacturer). Electronics. Accessories & Supplies. Monster.
I: ASUS MeMO Pad 7 ME170CX 7-Inch 16GB Dual-Core Processor Android Tablet - Black (Certified Refurbished). Electronics. Computers & Accessories. Asus.
J: KiTKKO Set of 3 - 7" 9" 12" Stainless Steel Kitchen Tongs with Red Silicone Tips. Home & Kitchen. Kitchen & Dining. KiTKKO.
K: Smatree Carrying Case Compatible for GoPro HERO5 Session/Hero Session-(Camera and Accessories NOT included). Electronics. Camera & Photo. Smatree.
L: Ateco 3765 Superflex Decorating Bag, 26.6-Inch, Reusable. Home & Kitchen. Kitchen & Dining. Ateco.
M: Men’s Calf Compression Sleeves - CEP Running Calf Sleeves 2.0 for Performance. Sports & Outdoors. Sports & Fitness. CEP.
N: Levolor A7004213352 Oval Tension Rod. Home & Kitchen. Bath. Levolor.
O: MAYTEX Sporty Stripe PEVA Shower Curtain. Home & Kitchen. Bath. MAYTEX.
P: AK47 Bullet 3D Cube Chocolate Soap Tray Mold Plastic Party maker (Ships From USA). Home & Kitchen. Kitchen & Dining. BargainRollback.
Q: BSN Sports SK999 Indoor/Outdoor Tabletop Scoreboard. Sports & Outdoors. Sports & Fitness. BSN Sports.
R: Neewer LCD Timer Shutter Release Remote Control Cord for Nikon D4s D4 D3 D3x D3s D810 D800 D800E D2 D2H D2Hs D2X D2Xs D1 D1H...
S: Umbra Touch Bathroom Tumbler, Surf Blue. Home & Kitchen. Bath. Umbra.
T: Fanmtas LLC vs Fanmats NHL Detroit Red Wings Vinyl Heavy Duty Car Mat. Sports & Outdoors. Fan Shop. Fanmtas LLC vs Fanmats.


assistant
Answer: R