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: Headsweats Supervisor Sun Visor. Sports & Outdoors. Sports & Fitness. Headsweats.
2nd: GOGO Sports Headband/Sweatband, Terry Cloth Head Band. Sports & Outdoors. Sports & Fitness. GOGO.
3rd: Cosmos Cotton Sports Basketball Headband/sweatband Head Sweat Band/brace (Pack of 7). Sports & Outdoors. Sports & Fitness. Cosmos.
4th: Cathe Friedrich's Slow & Heavy (3 workouts on one DVD). Sports & Outdoors. Sports & Fitness. Cathe Friedrich.

Options:
A: Muscle Max with Cathe Friedrich (Hardcore Series workout). Sports & Outdoors. Sports & Fitness. Cathe Friedrich.
B: Fintie Slim Shell Case for Amazon Fire (Previous 5th Generation, 2015 7 inch) - Super Slim Lightweight Standing Cover, Versailles. Electronics. Computers & Accessories. Fintie.
C: iPad Air 2 Case - KHOMO Dual Super Slim White Cover with White Back and Smart Feature. Electronics. Computers & Accessories. KHOMO.
D: No Flux Given Funny Science Physics 11 oz Ceramic Coffee Mug (black). Home & Kitchen. Kitchen & Dining. Linda's Gifts.
E: 18" Round Glass Table Top 1/2" Thick 1" Beveled Edge. Home & Kitchen. Furniture. Spancraft Glass.
F: C&E CNE74734 High-Speed HDMI Cable 25-Feet Supports Ethernet, 3D and Audio Return, 4 Pack. Electronics. Accessories & Supplies. CE.
G: Incipio Watson Wallet Folio Case for iPad Air (IPD-332-PNK). Electronics. Computers & Accessories. Incipio.
H: Clay in Motion Handmade Pottery Large Ceramic Coffee Mug 20 oz - Misty Green. Home & Kitchen. Kitchen & Dining. Clay in Motion.
I: Crane USA Travel Cool Mist Humidifier, White. Home & Kitchen. Heating, Cooling & Air Quality. Crane USA.
J: ThinkPad ONR002US Vertical Roller Case. Electronics. Computers & Accessories. Targus.
K: Canon EF 50mm f/1.8 STM Lens + 3pc Filter Kit + Lens Pen + Blower + Hood + Lens Pouch + Cap Keeper. Electronics. Camera...
L: MUkitchen Cotton Striped Dishcloth, Punch - Set of 3. Home & Kitchen. Kitchen & Dining. mKitchen.
M: Old World Christmas Ornaments: Santa Bird Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.
N: Wide-Mouth Reusable Plastic Lids for Canning Jars, 8 Count, Mainstays (3.62" dia x .75" H). Home & Kitchen. Kitchen & Dining. Mainstay.
O: CSJ Best Bluetooth Sport Headphones, Portable, Wireless, 4.0 Stereo Headset with Mic. Electronics. Headphones. CSJ.
P: iPearl 13-inch Soft Neoprene Sleeve Case for MacBook & UltraBook laptop (built-in external pocket) - BLACK. Electronics. Computers & Accessories. iPearl.
Q: Estilo 3 Compartment Microwave Safe Bento Food Container with Lid 12-pack. Home & Kitchen. Kitchen & Dining. Estilo.
R: HP Active stylus pen designed for select HP touch screen devices check compatibility detail in description. Electronics. Computers & Accessories. HP.
S: Nokia HDB-4 Boom Headset. Electronics. Headphones. Nokia.
T: Mission Natural Console Table. Home & Kitchen. Furniture. Mission Natural.


assistant
Answer: A