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: Spyderco Chicago G-10 Plain Edge Knife, Black. Sports & Outdoors. Sports & Fitness. Spyderco.
2nd: Wigwam Men's King Crew Athletic Socks. Sports & Outdoors. Outdoor Recreation.

Options:
A: iRobot Roomba 780 Vacuum Cleaning Robot. Home & Kitchen. Vacuums & Floor Care. iRobot.
B: GWHOLE 12 Pcs Tip Darts with National Flag Flights, Extra 16 Flights and 12 Shafts Included. Sports & Outdoors. Sports & Fitness. GWHOLE.
C: Burris Signature Zee Rings Medium, 1", Weaver Style, Matte Black - 420521. Sports & Outdoors. Sports & Fitness. Burris.
D: CablesOnline 2ft High-Quality RG8x Coax 50 OHM BNC Male/Male Antenna Cable (R-BX002). Electronics. Accessories & Supplies. CablesOnline.
E: Beacon Audio BCN-PHX01 Phoenix Portable Wireless Bluetooth Speaker (Neon Green). Electronics. Portable Audio & Video. Beacon Audio.
F: 16x26 Pillow Form Insert for Throws. Home & Kitchen. Bedding. Pillowflex.
G: iRulu 7 inch Android Tablet PC, 4.2 Jelly Bean OS, Dual Core, Allwinner A23 CPU, Dual Cameras, 5 Point Capacitive Touch Screen, 8GB Storage,Black Color...
H: Fujian Bamboo Stir Fry Cooking and Serving Utensil Set. Home & Kitchen. Kitchen & Dining. FUJIAN.
I: Polar RCX5 GPS Watch by Polar Electro, Inc. Sports & Outdoors. Sports & Fitness. Polar.
J: AcuRite Digital Timer. Home & Kitchen. Kitchen & Dining. AcuRite.
K: Sterno Home Inglow 4-Inch Tall Flameless Rustic Pillar Cinnamon Chai Scented Candle with 5-Hour Time, Honey. Home & Kitchen. Home Dcor. Sterno Home.
L: Dell Inspiron 1545 LTN156AT02 Laptop LCD Replacement Screen 15.6" WXGA HD LED. Electronics. Computers & Accessories. Samsung.
M: Victorinox 8" Chef's Knife. Home & Kitchen. Kitchen & Dining. Victorinox.
N: Espresso Supply 58-Milimeter Backflush Insert, Metal. Home & Kitchen. Kitchen & Dining. Espresso Supply.
O: Cork Pops Refill Cartridges Two (2) Pack 10070. Home & Kitchen. Kitchen & Dining. Cork Pops.
P: AMD ATI Radeon X1650 Pro 512MB PCI-E Graphics Card (100-437808). Electronics. Computers & Accessories. ATI.
Q: LotFancy New Black keyboard for Dell Inspiron 1501, 630m, 640m, 6400, 9400, E1405, E1505, E1705; Precision M90, M6300; XPS M140, XPS M1710, Vostro 1000. Part...
R: Spring Chef Stainless Steel Box Grater (Large). Home & Kitchen. Kitchen & Dining. Spring Chef.
S: Star Wars Saga Movie Poster 24"x36". Home & Kitchen. Wall Art. Movie Posters R' Us.
T: '47 NFL Women's Miata Clean Up Adjustable Hat. Sports & Outdoors. Fan Shop. '47.


assistant
Answer: C