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: Keyboard Backlight Apple Macbook Pro Unibody A1278 13" US 2009 2011 Version. Electronics. Computers & Accessories. Apple.
2nd: 67MM Vivitar UV CPL FLD Filter Kit and Accessory Bundle for Lenses with a 67mm Filter Size. Electronics. Camera & Photo. Goja.
3rd: LG Tone Infinim HBS-900 Wireless Stereo Headset, Silver - Retail Packaging. Electronics. Computers & Accessories. LG.
4th: Apple MacBook Pro MC723LL/A 15.4-Inch Laptop (OLD VERSION). Electronics. Computers & Accessories. Apple.

Options:
A: Exclusive Home Akola Medallion Linen Jacquard Grommet Top Curtain Panel Pair, Natural, 54x96, 2 Piece. Home & Kitchen. Home Dcor. Exclusive Home Curtains.
B: iPad Mini 2 Case, ESR 360 Degree Rotating Folio Case Stand Smart Cover Case with Auto Wake/Sleep Function for Apple iPad Mini 1/2/3(Doggies Alumni). Electronics...
C: ZVac Compatible Filter Replacement for Hoover Floormate HEPA Filter 40112050. Replaces Parts# F916, 59177051, 40112050. Fits: All Hoover Floormate vacuum cleaners. Home & Kitchen. Vacuums...
D: Pinnacle Speakers S-Fit SAT 150 2-Way Universal Satellite Speaker (Each, Black). Electronics. Home Audio. Pinnacle Systems.
E: Headphones,SmartBB(TM)Upgrade Version Wireless Bluetooth Headphones Sports 4.1 Music Stereo Headset Noise Cancelling With Selfie Bluetooth Wireless Microphone (black/Black). Electronics. Headphones. SmartBB.
F: Chefmate Comfort Kitchen Mat, 20-Inch by 36-Inch, Chocolate. Home & Kitchen. Home Dcor. Chefmate.
G: Casecover Universal Micro USB 3M 10FT Colorful Fabric Braided Data Cable Micro USB Data Sync Cable Charger Charging Cord for Android Samsung Galaxy S2 S3...
H: Olympus WS-400  S Digital Recorder (White). Electronics. Portable Audio & Video. Olympus.
I: Command Jumbo Plastic Hook with Adhesive Strips, 3-Hooks. Home & Kitchen. Storage & Organization. Command.
J: NHL Boston Bruins Logo Post Earrings . Sports & Outdoors. Fan Shop. aminco.
K: Golf Gifts & Gallery Deluxe Boxed Shag Bag. Sports & Outdoors. Sports & Fitness. Golf Gifts & Gallery.
L: PREMIUM 6-Way Coax Cable Splitter F-Type Screw for Video VCR Cable TV Antenna (110016). Electronics. Accessories & Supplies. Monoprice.
M: Hunting Blind, LOOGU Woodland Camouflage Ghillie Poncho Camo Suit Military Leaf Hunting and Shooting Accessories Tactical Outdoor Clothing for Airsoft, Wildlife Photography Halloween or Party...
N: ErgaLogik Nomad Classic Warm Weather UltraLight Compression Envelope Sleeping Bag - 58Âº Comfort - 48Âº Survival Rating (Vibrant Blue).  ErgaLogik.
O: Winegard FV-HD30 FreeVision HDTV Antenna (Discontinued by Manufacturer). Electronics. Accessories & Supplies. Winegard.
P: Kettler Indoor/Outdoor Table Tennis Nylon Net. Sports & Outdoors. Sports & Fitness. Kettler.
Q: ASUS 4GB GDDR5 Graphics Card MATRIX-R9290X-P-4GD5. Electronics. Computers & Accessories. Asus.
R: Redfield Rebel 8x42mm Binocular, Black 114650. Electronics. Camera & Photo. Redfield.
S: C2G 02970 RJ11 Modular Telephone Cable, Silver (7 Feet, 2.13 Meters). Electronics. Computers & Accessories. C2G.
T: 1000 Thread Count Premium Home Bedding 100% Pima Cotton Sheet Set (Queen, Emerald). Home & Kitchen. Bedding. Digital Decor.


assistant
Answer: E