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: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
Purchase History:
1st: Eggsnow Eyepiece/Eye Cup2 Packfor Nikon D7000 D300 D200 D100 D90 D80 D40 D50 D70s D600 D610 Camera Viewfinder. Electronics. Camera & Photo. Topbestsource.
2nd: JOBY UltraPlate. Quick Release Arca-Swiss Plate and Accessory Mount for DSLR, CSCs and Tripods. Electronics. Camera & Photo. Joby.
3rd: Sony QDA-SB1 Xqd USB Adapter. Electronics. Computers & Accessories. Sony.

Options:
A: Boston Acoustics S35 3 1/2" S Series Coaxial Speaker. Electronics. Car & Vehicle Electronics. Boston Acoustics.
B: SanDisk ImageMate 12-in-1 USB 2.0 Flash Memory Card Reader SDDR-89-A15. Electronics. Computers & Accessories. SanDisk.
C: Labhanshi - Divine Ethnic Indian Wall hanging Astrology Sun Moon Tapestry. Home & Kitchen. Home Dcor. Labhanshi.
D: Peak Design Anchor Links for Camera Straps (AL-2). Electronics. Camera & Photo. Peak Design.
E: Hooshion® Universal 7 Inch USB Keyboard Case Cover Stand for 7 Inch Android Windows Tablet Pc+Mini 5pin OTG Cable+Micro OTG Adapter (Sky Blue). Electronics. Computers...
F: MOUNTAINTOP Hiking Backpack 30/40L Lightweight Water-Resistant Backpacks Climbing Camping Travelling Daypack. Sports & Outdoors. Outdoor Recreation. MOUNTAINTOP.
G: Bay Valley Parts 6-Cell 10.8V 5200mAh New Replacement Laptop Battery for HP:06TY,607762-001,607763-001. Electronics. Computers & Accessories. Bay Valley Parts.
H: Achim Alabaster Vinyl 1" Mini Blinds - 32" Wide x 64" Long. Home & Kitchen. Home Dcor. Achim.
I: Daniu Brick Wall Vinyl Photo Background Children Photo Studio Retro Photography Backdrops Wood Floor 5x7FT BJ257. Electronics. Camera & Photo. Daniu.
J: Tilt Trim Motor Mercruiser Marine Floor Mount 88183A5 88183A8 88183A8 14336A6 14336A8. Sports & Outdoors. Sports & Fitness. DISCOUNT STARTER & ALTERNATOR.
K: Riddell Houston Texans NFL Replica Speed Mini Football Helmet. Sports & Outdoors. Fan Shop. Riddell.
L: ColorYourLife 20 PCS Reusable Fastening Cable Ties with Microfiber Cloth in Retail Packaging - 7" (Purple and Hot Pink). Electronics. Accessories & Supplies. Varylala.
M: Decorative Designer's Floral Throw Pillow COVER 18" Black/white. Home & Kitchen. Bedding. Blue Dolphin.
N: Yescom 140" Diagonal 16:9 DIY Rear Projection Screen 122"x68" PVC Material Foldable Indoor Outdoor Business. Electronics. Accessories & Supplies. Yescom.
O: Brita Grand Water Filter Pitcher, Turquoise Versailles, 10 Cup- Discontinued By Manufacturer. Home & Kitchen. Kitchen & Dining. Brita.
P: Magpul Industries 1911 MOE Grips GRAY. Sports & Outdoors. Sports & Fitness. Magpul.
Q: Universal Textiles Men's Thermal Ski Socks 1 Pair Shoe US 7-12 Black. Sports & Outdoors. Outdoor Recreation. Universal Textiles.
R: BestDealUSA USB PC Laptop Remote Control Controller for XP Vista. Electronics. Accessories & Supplies. BestDealUSA.
S: Jaras® Kids Over the Ear Wired Headphones Volume Limited for Kids - Red. Electronics. Headphones. Jaras.
T: Heath Zenith SL-5716-WH-B 270-Degree Replacement Motion Sensor, White. Electronics. Security & Surveillance. Heath/Zenith.


assistant
Answer: D