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 the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
Purchase History:
1st: Sfoothome Light Beige and White Flowers Pattern,Mildew Proof and Waterproof Polyester Fabric Macrocyclic No Hooks Shower Curtain for Bathroom (72Inchx78Inch). Home & Kitchen. Bath. Sfoothome.
2nd: Chef’sChoice 130 Professional Electric Knife Sharpening Station for Straight and Serrated Knives Diamond Abrasives and Precision Angle Guides Made in USA, 3-Stages, Platinum. Home &...
3rd: Warthog Sharpeners V-Sharp Classic II Black Knife Sharpener. Home & Kitchen. Kitchen & Dining. Warthog Sharpeners.
4th: SALBAKOS Hand Towels for Bathroom, White Cotton, 6 Bulk Pack, 100 Percent Genuine Turkish Cotton, Luxury Hotel and Spa Quality, 700gsm OEKO-TEX Organic Eco-Friendly, (White)...
5th: Shell Sign Beach May You Always Have a Shell in Your Pocket. Home & Kitchen. Wall Art. Beachcombers.
6th: Walk on The Beach by Charlene Olson Seashell Sign 13.5x13.5 Framed Art Print Picture Wall Decor. Home & Kitchen. Wall Art. Framed Art by Tilliams.

Options:
A: Supportiback Comfort Therapy Maternity Belt - Abdominal Binder & Back Support For Pregnancy, Post-Pregnancy - Soft Stretchy Breathable Material Lifts & Supports To Relieve Back,...
B: SAFEMORE USB Power Strip 8-Outlet and 4 Smart USB Output Charging Station (Black and White). Electronics. Accessories & Supplies. SAFEMORE.
C: Corsair Vengeance Pro 8GB (2x4GB) DDR3 2133 MHz (PC3 17000) Desktop 1.5V. Electronics. Computers & Accessories. Corsair.
D: Silverstone Tek Stackable 5.25 Inch to 3.5 Inch Hot-swap Drive Bay Adapter (FP57B). Electronics. Computers & Accessories. SilverStone Technology.
E: K&H Pet Products Furniture Cover - Protects your furniture from pet hair. Home & Kitchen. Home Dcor. K&H Pet Products.
F: DCS Cotton Spandex Full Length Dance Workout Pant (Black). Sports & Outdoors. Sports & Fitness. DanceCheerSkate.com.
G: Holga Manual Shoe Mount Flash with a GN of 22 meters (72 feet). Electronics. Camera & Photo. Holga.
H: FANCY Collection Bedspread Embossed Oversize Solid California King Grey. Home & Kitchen. Bedding. Fancy Linen.
I: Primos Dirty B Injured Gobbler Turkey Decoy. Sports & Outdoors. Sports & Fitness. Primos Hunting.
J: AR15 Lower Decals (US Flag). Sports & Outdoors. Sports & Fitness.
K: USA Gear 7-inch to 8-inch Tablet Carrying Bag Cover with Built-in Screen Protector Kids Tablet Sleeve Carry Bag Fits Samsung Galaxy Tab S2 8" /...
L: Barbie Girls MP3 Player - Gold. Electronics. Portable Audio & Video. Barbie.
M: Burlap Natural Cotton Fringed Placemats (Set of 2) 12x18. Home & Kitchen. Kitchen & Dining. Victorian Heart Co., Inc.
N: Sentry Jumbo Digit Clock + Calendar Stick - Sentry CA102. Home & Kitchen. Home Dcor. Sentry Industries Inc.
O: BuyCheapCables® 1 Feet Ultra Thin High Speed Micro HDMI to HDMI Cable with Ethernet - Full HD 1080p Male Micro HDMI Cable. Electronics. Accessories &...
P: Halo Headband Sweatband Protex. Sports & Outdoors. Sports & Fitness. Halo Headbands.
Q: Great Soles Women's Ballet Sock , Pink Heather, One Size - comfortably fits women shoe sizes 6-10. Sports & Outdoors. Sports & Fitness. Great Soles.
R: YI Action Camera (US Edition) Lime Green. Electronics. Camera & Photo. YI.
S: Fovitec - 6x Photography & Video Heavy Duty Spring Clamps - [ABS Plastic][Lightweight][Universal]. Electronics. Camera & Photo. Fovitec.
T: BARBECUE COOKING THERMOMETER - Best Pocket-size Digital Thermometer for Cooking/Meat/Barbecue/Food/Liquids - Accurate Quick-read Probe + Data Hold for Easy Read and Last Measure Memory; Clear...


assistant
Answer: A