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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Nikon AF-S FX NIKKOR 50mm f/1.4G Lens with Auto Focus for Nikon DSLR Cameras . Electronics. Camera & Photo. Nikon.
2nd: Sony 62mm Front Lens Cap ALCF62S. Electronics. Camera & Photo. Sony.
3rd: Sony SEL16F28 16mm f/2.8 Wide-Angle Lens for NEX Series Cameras. Electronics. Camera & Photo. Sony.

Options:
A: Acer Aspire AZ1-621-UR15 21.5-Inch Full HD All-in-One Desktop (Discontinued by Manufacturer). Electronics. Computers & Accessories. Acer.
B: Chablis Wine Word Metal Wall Art Home Kitchen Decor. Home & Kitchen. Home Dcor. JNJ Metalworks.
C: Tendak HD 1080P USB 2.0 to VGA External Video Graphic Card Converter Cable Adapter Supports 1920x1080/1600x1200 for Windows 10/8.1/ 8/ 7/ Vista/ XP Mac OS...
D: Oster TSSTTVFDXL Manual French Door Oven, Stainless Steel. Home & Kitchen. Kitchen & Dining. Oster.
E: Rada Cutlery Cooking Essentials Knife Starter Gift Set – 3 Piece Stainless Steel Set With Brushed Aluminum Handles, Made in the USA. Home & Kitchen...
F: Brita 6 Cup Classic BPA Free Water Pitcher with 1 Filter, White. Home & Kitchen. Kitchen & Dining. BRMW9.
G: Euro Cuisine Set of 8 Glass Jars for Yogurt Maker GY2640. Home & Kitchen. Kitchen & Dining. Euro Cuisine.
H: Body-Solid Tools Triceps Rope (TR20). Sports & Outdoors. Sports & Fitness. Body-Solid.
I: LEZYNE Alloy Floor Drive Pump. Sports & Outdoors. Outdoor Recreation. LEZYNE.
J: BLACK 9" KEYBOARD & CASE. Electronics. Computers & Accessories. ACM.
K: Kuzy - Teal / Turquoise HOT Blue Keyboard Silicone Cover Skin for Macbook / Macbook Pro 13" 15" 17" Aluminum Unibody (fits MacBook with or...
L: HP GN073AA Sport Backpack (Black). Electronics. Computers & Accessories. HP.
M: SainSmart USB ISP Programmer for ATMEL AVR ATMega ATTiny 51 Board. Electronics. Computers & Accessories. Sain Store.
N: Jiefanglu 3 Port HDMI Splitter Switcher 3-In 1-Out Auto Switch Splitter For HDTV 1080P High Speed HDMI Specification. Electronics. Accessories & Supplies. Jiefanglu.
O: Womens Military cadet hat for women with short visor and a round buckle. Sports & Outdoors. Outdoor Recreation. 7headz.
P: MUTEKI Men's S.P.E.E.D. Short Sleeve, Full Zipper Cycling Jersey. Sports & Outdoors. Outdoor Recreation. MUTEKI.
Q: Royal Albert Old Country Roses Tea Party Pitcher, Multi. Home & Kitchen. Kitchen & Dining. Royal Albert.
R: Firefly Imports Homeford Flower Kissing Balls Pomander Pom Pom Wedding Centerpiece, Fuchsia. Home & Kitchen. Home Dcor. Firefly Imports.
S: TSD Sports UA941B 8 Inch Spring Powered Airsoft Revolver (Black) . Sports & Outdoors. Sports & Fitness. TSD.
T: Arc International Luminarc Cachet Port Glass, 7.25-Ounce, Set of 4. Home & Kitchen. Kitchen & Dining. Arc International.


assistant
Answer: K