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: Timbuk2 Lightbrite Bicycle Seat Pack. Sports & Outdoors. Outdoor Recreation. Timbuk2.
2nd: FOX Transition Hard Shell Helmet. Sports & Outdoors. Outdoor Recreation. Fox.
3rd: Osprey Aether 70-Litre Backpack. Sports & Outdoors. Outdoor Recreation. Osprey.

Options:
A: Boxlegend Privacy Anti-Spy Tempered Glass Screen Protector For iphone 5 5s 5c. Electronics. Home Audio. Boxlegend.
B: Plantronics Voyager Edge Wireless and Hands-Free Bluetooth Headset - Compatible with iPhone, Android, and Other Leading Smartphones - Carbon Black (Certified Refurbished). Electronics. Headphones. Plantronics.
C: Winco 1/2 Size Pan 2 1/2" (NSF). Home & Kitchen. Kitchen & Dining. Winco.
D: Best Choice Products Padded Butterfly Lounge Chair Dorm Room Bedroom Folding Stylish Design New. Home & Kitchen. Furniture. BEST CHOICE PRODUCTS.
E: Jack Dempsey Stamped Pillowcases W/White Perle Edge 2/Pkg-Fish. Home & Kitchen. Bedding. Jack Dempsey.
F: Madison Park Harlow 4 Piece Duvet Cover Set, Full/Queen, White. Home & Kitchen. Bedding. Madison Park.
G: Ginsu Essential Series Kitchen Knife Storage and Organizer - 13 Slot Knife Block in a Natural Finish, 13703290V-GDS. Home & Kitchen. Kitchen & Dining. Ginsu.
H: Seiko Wall Clock Silver-Tone Metallic Case Luminous  Numerals. Home & Kitchen. Home Dcor. Seiko.
I: Joan 42-44t Bicycle Chainring Sprockets Cranksets Guard Protector,Bike Chainstay Protector. Sports & Outdoors. Outdoor Recreation. Joan.
J: Gardman 8450 Giant Roman Numeral Wall Clock, 21.5" Long x 21.5" Wide. Home & Kitchen. Home Dcor. Gardman.
K: Melvado Laundry Hanger Hooks | Strong Plastic Solid Metal Spring | Lightweight, Convenient Clothing Pins To hang and Dry Wet Clothes | For Home Use...
L: Therm-a-Rest Trail Scout Mattress. Sports & Outdoors. Outdoor Recreation. Therm-a-Rest.
M: Multicolor Submersible LED TeaLights RGB Color Changing for Special Events, Wedding, Christmas, Party lights (Pack of 10). Home & Kitchen. Home Dcor. Smartview.
N: Uniden DECT 6.0 Black Cordless Telephone System with Interference Free Digital Technology (DECT3080-3). Electronics. Accessories & Supplies. Uniden.
O: Cambridge Audio CP1 Phono Preamplifier- Black. Electronics. Home Audio. Cambridge Audio.
P: iKross Bluetooth Wireless Folding Handsfree Speaker Phone for LG, Nokia, Sanyo, HTC, Google, T-Mobile, Motorola, Samsung, Android Phone, iPhone, Blackberry and Windows Phone, Tablets and...
Q: Skirt Sports Womens Tough Girl Skirt Spandex Pants. Sports & Outdoors. Sports & Fitness. Skirt Sports.
R: Harris Engineering NO. 2R Radiused Flange Nut-Wood Fore-End. Sports & Outdoors. Sports & Fitness. Harris.
S: Pillow Perfect Decorative Geometric Rectangle Toss Pillow, 18-1/2"L x 11-1/2"W x 5" D, Yellow/White. Home & Kitchen. Bedding. Pillow Perfect.
T: C-Pioneer Bike Bicycle Cycling Riding Mirror Helmet Mount Rearview Rear View Eyeglass. Sports & Outdoors. Outdoor Recreation. C-Pioneer.


assistant
Answer: L