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: Bulldog Cases Concealed Lace Thigh Holster with Garter Straps (2-Pack). Sports & Outdoors. Sports & Fitness. Bulldog Cases.
2nd: Rothco The Paracord Bracelet in Black,Jewelry for Men. Sports & Outdoors. Sports & Fitness. Rothco.
3rd: Ssyiz Backless Tank Tops for Women Sexy Workout Yoga Shirts. Sports & Outdoors. Sports & Fitness. Ssyiz.
4th: 90 Degree By Reflex Womens Power Flex Yoga Pants. Sports & Outdoors. Sports & Fitness.

Options:
A: Amagoing Universal Portable Foldable Wireless Bluetooth Keyboard with Kickstand for iOS Andriod Windows Smartphone Tablet Black. Electronics. Computers & Accessories. Amagoing.
B: SMART CRUSHER Cnc Aluminum 4pcs Herb Spice grinder with scraper & grinder pouch. Home & Kitchen. Kitchen & Dining. Smart-Goods.
C: 90 Degree By Reflex Womens Power Flex Yoga Pants. Sports & Outdoors. Sports & Fitness.
D: ICCO0 1 Piece Pastoral Tulle Window Roman Curtain Embroidered Sheer For Kitchen Living (A). Home & Kitchen. Home Dcor. ICCO0.
E: Levo 33764 G2 Deluxe Table Clamp Stand for iPad and Other Tablets. Electronics. Computers & Accessories. Levo.
F: ViewSonic PJD6350 3300 Lumens XGA HDMI Network Projector with 1.3x Zoom. Electronics. Video Projectors. ViewSonic.
G: YOYOSTORE 10 Pc 6" Picture Photo Frame Album Display Photograph Hanging Clip Hemp Rope. Home & Kitchen. Home Dcor. YOYOSTORE.
H: ThermalSense Temperature Balancing Pillow. Home & Kitchen. Bedding. ThermalSense.
I: ZVac 15Pk Compatible Cloth Vacuum Bags Replacement for Kirby Vacuum Bags Style F. Fits All Ultimate G Diamond Edition, Ultimate G Series, Gsix, Sentria (Year...
J: Pyrex C-222-PC 1109669 2qt Red Lid EZ Grab. Home & Kitchen. Kitchen & Dining. Pyrex.
K: Collections Etc Vintage Spring Butterfly and Flowers Dishwasher Magnet, Blue. Home & Kitchen. Kitchen & Dining. Collections Etc.
L: Collapsible Salesman Rolling Rack with Double Hangrail. Home & Kitchen. Storage & Organization. Garment Racks Etc.
M: JLab JPTC90 Mini Samba Premium Earbuds Travel Case for Jbuds - Black. Electronics. Accessories & Supplies. JLAB.
N: Turkish Coffee Pot Hand Made Copper 4.5 Oz Good for 1 Cup by General. Home & Kitchen. Kitchen & Dining. General.
O: Tropix 17 oz. Clear Frosty Mug. Home & Kitchen. Kitchen & Dining.
P: HP Pavilion 21-h116 All-in-One TouchSmart 21" FULL HD Display Desktop PC Intel Pentium G3220T 1.5GHz/ 2.6GHz Accelerated Processor 4GB DDR3 500GB Windows 8.1. Electronics. Computers...
Q: Toshiba KIRAbook 13 i7 Touchscreen Laptop. Electronics. Computers & Accessories. Toshiba.
R: Pelican Elite 30 Quart Cooler. Sports & Outdoors. Outdoor Recreation. Pelican.
S: Update International (SPC-140) 15" Stainless Steel Cover. Home & Kitchen. Kitchen & Dining. Update International.
T: Selens Hexadecagon Parabolic Softbox 48 inches / 120 Centimeters Deep Parabola Quick Folding Softbox with Bowens Speedring Mount for Photo Studio Lighting Flash Light. Electronics...


assistant
Answer: C