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: DSTE NP-FW50 Battery + DC107 Travel and Car Charger Adapter for Sony Alpha 7 7R 7R II 7S a7R a7S a7R II a5000 a5100 a6300...
2nd: Incipio Feather Case for iPad Mini with Retina Display. Electronics. Computers & Accessories. Incipio.

Options:
A: HMDX Audio HX-B322 Unwind Bedside Alarm Dock. Electronics. Portable Audio & Video. HMDX.
B: Minus33 Merino Wool Reversible Shade Beanie. Sports & Outdoors. Outdoor Recreation. Minus33 Merino Wool.
C: Diablotek Elite ATX Mid Tower Computer Case - CPA-0280. Electronics. Computers & Accessories. Diablotek.
D: ABCShopUSA Over-Ear [45mm Dynamic Driver] Professional Studio Monitor Headphones [HP3BK]. Electronics. Headphones. ABCShopUSA.
E: 2PK - POWERFUL 2D Battery Powerful Amazing Handheld Bug Zapper. Home & Kitchen. Home Dcor. BugKwikZap.
F: Skar Audio VD-8 D2 8" 600W Max Power Dual 2 Ohm Shallow Mount Car Subwoofer. Electronics. Car & Vehicle Electronics. Skar Audio.
G: Please Knock - Door Hanger by MySigncraft. Home & Kitchen. Home Dcor. MySigncraft.
H: HP Elite 8300 Core i7 3.4GHZ, 512GB SSD, 16GB, Windows 7 Pro 64-Bit (Certified Refurbished). Electronics. Computers & Accessories. HP.
I: SNIPER® Complete Rear Sight with Windage/Elevation Adjustment and Tactical Picatinny Mounting Deck. Sports & Outdoors. Sports & Fitness. Sniper.
J: Sportspower Replacement Net for 14ft Trampoline Enclosure using 6 Angled-Poles and Sleeves (Enclosure Poles Not Included). Sports & Outdoors. Sports & Fitness. Sportspower.
K: Bush Business Furniture Series C 48W x 30D Shell Desk in Mocha Cherry. Home & Kitchen. Furniture. Bush Business Furniture.
L: Spyderco Bench Stone Sharpener with Storage Case Medium. Home & Kitchen. Kitchen & Dining. Spyderco.
M: Diablotek ATI Radeon 7500 64 MB PCI Video Card V7500-P64. Electronics. Computers & Accessories. Diablotek.
N: RBX Active Women's Lightweight Breezy Mesh Athetic Shorts w/Dual Front Pockets. Sports & Outdoors. Sports & Fitness. RBX.
O: Richardson Seating Retro Handle Back Chrome Diner Chair in Cracked Ice Red. Home & Kitchen. Furniture. Richardson Seating.
P: 2816 Square Perfect Professional Quality 2000 Watt Photography and Digital Video Continuous Light Kit with 2 light stands. Electronics. Camera & Photo. SQUARE PERFECT.
Q: Cloth Sandwich Bags - Set of 3 - Yummi Pouch (Jewel). Home & Kitchen. Kitchen & Dining. Yummi Pouch.
R: Luxehome Non-Slip Plastic Clothes Hangers,Set of 20. Home & Kitchen. Storage & Organization. Luxehome.
S: EnergyPal iPad Mini Case, iPad mini 2/3 Case - TheONE Leather Stand Case with Auto Sleep/Wake Function for Apple iPad Mini, iPad Mini 2 &...
T: Patuoxun® USB Sport Bluetooth Stereo Music Earbud Headset Earphone for Smartphone Tablets Computers -- Wireless Music Streaming and Hands-Free calling Red. Electronics. Headphones. Patuoxun.


assistant
Answer: S