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: BARSKA 3-Inch 50mm Varmint Riflescope Shade. Sports & Outdoors. Sports & Fitness. BARSKA.
2nd: 1x30 True Fiber Optic Green dot sight sighting system. Sports & Outdoors. Sports & Fitness. GRG MFG.

Options:
A: RSVP 4 Piece Compost Pail Replacement Filter Set for PAIL-SM,RSVP />. Home & Kitchen. Kitchen & Dining. RSVP.
B: Bluetooth FM Transmitter, GOUXIANG Car's Radio Broadcasting Music MP3 Player and Hand-Free Calling Walkie-Talkie Taxi Style with USB Charger (Black). Electronics. Portable Audio & Video...
C: Anolon Advanced Nonstick Bakeware 14-Inch x 16-Inch Cookie Sheet, Gray with Silicone Grips. Home & Kitchen. Kitchen & Dining. Anolon.
D: BARSKA 8-32x50 AO Varmint Range Finding Graph Reticle Riflescope. Sports & Outdoors. Sports & Fitness. BARSKA.
E: Olympus TG-4 16 MP Waterproof Digital Camera with 3-Inch LCD (Black) - International Version. Electronics. Camera & Photo. Olympus.
F: Barware Styles Classic and Elegant Stainless Steel 3-Piece Martini and Cocktail Shaker Set. Electronics. Computers & Accessories. MOFANG FAMILY.
G: Nesco T1600-12 4-Slice Stainless Steel Toaster with Red Trim. Home & Kitchen. Kitchen & Dining. Nesco.
H: Reflective Vest Running Gear | Reflector Bands + Bag | Made Of Top Silver Reflective Tape High Visibility For Running, Cycling, Dog Walking | Safety...
I: Newcomdigi Watermelon Slicer, Stainless Steel Corer, Silver. Home & Kitchen. Kitchen & Dining. NEWCOMDIGI.
J: Canon PowerShot S100 2MP Digital ELPH Camera Kit with 2x Optical Zoom. Electronics. Camera & Photo. Canon.
K: 3 Piece Queen Molly Dusty Pink Quilt Set. Home & Kitchen. Bedding. KingLinen.
L: CamelBak Unisex Adult UnBottle 100 oz Insulated Reservoir. Sports & Outdoors. Outdoor Recreation. CamelBak.
M: Apex Sports- Multi-Loop Grip Yoga Stretching Strap for Flexibility. Sports & Outdoors. Sports & Fitness. Apex Sports.
N: Party Lovers Assorted Color Flameless Flickering LED Tealight Decoration Candle - Battery Powered - Ultra Bright (2-Dozen). Home & Kitchen. Home Dcor. PartyLovers.
O: Libbey All-Purpose Wine Party Glasses, Set of 12. Home & Kitchen. Kitchen & Dining. Libbey.
P: iPazzPort Apache 2.4G RF Wireless Handheld Keyboard and Touchpad (KP-810-19A). Electronics. Computers & Accessories. UNISEN LIMITED.
Q: VvW New 2 Phase 12v Dc CPU Cooling Car Brushless Water Pump Waterproof Submersible- 130203. Electronics. Computers & Accessories. YOBETT.
R: GE Enbrighten 11016 Enbrighten LED Lantern, Battery Operated, Bright White, Green Finish, 500 Lumens, 180 Hour Runtime, 3 Light Levels, Ideal for Outdoors, Camping, Hurricane,...
S: Ecandy Portable Wireless Bluetooth Music Stereo Universal Headsets Headphone Neckband Style for iPhone,iPad,Samsung Galaxry ,HTC ,LG,Motorola,M8,MP3 Players and other Enabled Bluetooth Devices(Black). Electronics. Headphones. Ecandy.
T: Under Armour Womens UA React 3 Volleyball Shorts XX-Large Black. Sports & Outdoors. Sports & Fitness. Under Armour.


assistant
Answer: D