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 items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
Purchase History:
1st: Contigo AUTOSEAL Stainless Steel Vacuum Insulated Tumbler, 16 oz, Green. Home & Kitchen. Kitchen & Dining. Contigo.
2nd: Black & Decker EK 700 Slice Right Electric Knife. Home & Kitchen. Kitchen & Dining. BLACK+DECKER.
3rd: KitchenAid Salt and Pepper Shakers, Black. Home & Kitchen. Kitchen & Dining. KitchenAid.
4th: NuDell 8 x 10 Inches  EZ Mount Document Frame Plastic Face, Black with  Gold Trim. Home & Kitchen. Home Dcor. Nudell.

Options:
A: OXO Good Grips Click Click Tea Kettle. Home & Kitchen. Kitchen & Dining. OXO.
B: DHP 4031059 Giada Sofa Bed, Twin, Brown. Home & Kitchen. Furniture. DHP.
C: Freeplay EyeMax AM/FM LED Radio (Discontinued by Manufacturer). Electronics. Portable Audio & Video. Freeplay.
D: Safavieh American Homes Collection Jackson Grey 4-Drawer Storage Unit. Home & Kitchen. Furniture. Safavieh.
E: HDE SATA to IDE/IDE to SATA Drive Interface Adapter. Electronics. Computers & Accessories. HDE.
F: Vitalsox Italy Recovery, "On Your Feet All Day" TRUE Graduated Compression Socks, Silver Drystat. Sports & Outdoors. Sports & Fitness. Vitalsox.
G: Ballcap Buddy-the Original Cap Washer/shaper - Pack of Two- Red Color. Home & Kitchen. Storage & Organization. BallcapBuddy.
H: eForCity® 850Mah Compatible with Creative Zen Micro MicroPhoto LI-ION Battery. Electronics. Portable Audio & Video. eForCity.
I: Vittoria 23 Open Corsa CX III Tire. Sports & Outdoors. Outdoor Recreation. Vittoria.
J: Rouge Candles White Unscented Tealight Candle (Pack of 100). Home & Kitchen. Home Dcor. Rouge candles.
K: Parrot Zik 2.0 Wireless Noise Cancelling Headphones (Yellow). Electronics. Headphones. Parrot.
L: Kiera Grace Kylie Document Frame, 8.5 by 11-Inch Document, Brown with Gold Border. Home & Kitchen. Home Dcor. Kiera Grace.
M: ecoShell Bluetooth Keyboard and Leather Book Style Case for iPad 3 iPad 2 with iPad 1 RED- Support iPad 3 Auto Wake Sleep Function. Electronics...
N: SUCK UK Wind-up Robot Salt & Pepper Shakers. Home & Kitchen. Kitchen & Dining. Suck UK.
O: EN-EL14A, EN-EL14 Battery for Nikon Coolpix P7000, P7100, D5100, D5200, D3100, D3200, D3300, D5500 & Other DSLR Camera + eCostConnection Microfiber Cloth. Electronics. Camera &...
P: Outdoor Arrow Quiver Archery Arrow Holder Bow Portable 3 Point Harness Belt.
Q: Wacom Bamboo Create Pen and Touch Tablet (CTH670). Electronics. Computers & Accessories. Wacom.
R: Equinox Cooling Gel Memory Foam Pillow - 28" x 16" - King Size Bed Pillow - New Cooling Gel Technology with Removable Pillow Case -...
S: 5 in 1 Professional Kit for Raspberry Pi 3 & Pi 2 B and Raspberry Pi B+,black Sliced 9 Layers Case Box + Cooling Fan...
T: Leef Surge USB 2.0 16GB Low Profile High Speed USB Flash Drive with PrimeGrade Memory (White). Electronics. Computers & Accessories. Leef.


assistant
Answer: L