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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: Rolodex Mesh Collection Desktop Phone Stand, Black (22151). Electronics. Computers & Accessories. Rolodex.
2nd: iPad Air 2 Case, ESR Illustrators Series Folio Case Smart Case with Stand Smart Cover [Auto Wake Up/Sleep Function] for iPad Air 2/ iPad 6...

Options:
A: Shell Waterproof Polyester Shower Curtain Bath Decor Curtain 72 " x 72 ". Home & Kitchen. Bath. Shower Curtain.
B: Sentey Ss1-2420 Plus Slim Computer Case with Power Supply Bcp500-om / USB 3.0 / USB 2.0 / Hd Audio + Mic / Micro ATX Case...
C: Eureka Type RR Vacuum Bags (15 Pack); Similar To Part 67529; Fits All Bagged Smart Vac Uprights; by ZVac. Home & Kitchen. Vacuums & Floor...
D: Stephan Roberts Premium Anti-Fatigue Kitchen Mat, 20" x 39"x.5", Lemons/Multicolored. Home & Kitchen. Kitchen & Dining. Stephan Roberts.
E: Stethoscope Heart Rn Nurse Symbol Decal Funny Laptop Skin Macbook Trackpad Keypad Sticker Window. Electronics. Computers & Accessories. ExpressDecor.
F: Bush Furniture Birmingham Credenza Desk with Keyboard Tray and Storage in Antique Black. Home & Kitchen. Furniture. Bush Furniture.
G: Digi-Flex Yellow Hand and Finger Exercise System, 1.5 lbs Resistance. Sports & Outdoors. Sports & Fitness. Digi-Flex.
H: Weaver Leather Silent Poundo Board. Sports & Outdoors. Sports & Fitness. Weaver Leather.
I: Winsome Wood Wainscoting Top Elise Bed Tray, U-Leg. Home & Kitchen. Kitchen & Dining. Winsome Wood.
J: Rowenta DR6050 Ultrasteam Hand-Held Garment and Fabric Steamer Dual-Voltage with Travel-Ready Pouch, 800-Watt, Purple. Home & Kitchen. Vacuums & Floor Care. Rowenta.
K: Nato Camo Face Paint Stick - Black & Olive. Sports & Outdoors. Sports & Fitness.
L: Compatible DYMO D1 45013 S0720530 Label Tape Cassette Black on White 12mm (1/2") Width 7m (23') Length for Dymo LabelManager 160, 210D, 260P, 450D Label...
M: Ruko 3-1/8-Inch Blade Gut Hook Skinning Knife with Genuine Deer Horn Crown Handle and Leather Sheath. Sports & Outdoors. Sports & Fitness. Ruko.
N: Meal Prep Lunch Fitness Bag - Includes 6 Portion Control Container Set, Reusable Ice Pack, Shaker Blender Cup and Pills Fit Pack. Home & Kitchen...
O: PureGuardian H500 Personal Travel Ultrasonic Cool Mist Humidifier. Home & Kitchen. Heating, Cooling & Air Quality. Guardian Technologies.
P: Brunton International Starbrite Foil Stamp Bed Rest, Lavender. Home & Kitchen. Bedding. Brunton International.
Q: FLOUREON 4CH ONVIF 960H CCTV DVR + 4 X Outdoor Waterproof Night Vision 900TVL IR-CUT Bullet Camera Security System Kit ( Hard Drive Not Included)...
R: Gorgeous Home (#32) 1 PANEL SOLID BROWN COFFEE THERMAL FOAM LINED BLACKOUT HEAVY THICK WINDOW TREATMENT CURTAIN DRAPES SILVER GROMMETS * AVAILABLE IN DIFFERENT SIZES...
S: Xbox 360 DVD DRIVE Hitachi LG 79FK GDR-3120L. Electronics. Computers & Accessories. Hitachi.
T: APC RBC17 Replacement Battery Cartridge 17 by Vici Battery. Electronics. Computers & Accessories. Vici Battery Company.


assistant
Answer: L