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: 67MM Vivitar UV CPL FLD Filter Kit and Accessory Bundle for Lenses with a 67mm Filter Size. Electronics. Camera & Photo. Goja.
2nd: LG BP220 2D Blu-Ray Player with Smart TV (Black). Electronics. Television & Video. LG.
3rd: Progo EN-EL14 Rechargeable Li-Ion Battery for Nikon D5100, D3100, P7000 DSLR Cameras, Fully Compatible Retail Package. Electronics. Camera & Photo. Progo.
4th: eForCity Leather Hand Grip Strap Compatible with Nikon D5000 D5100 D7000 D90. Electronics. Camera & Photo. eForCity.
5th: Seagate Backup Plus 1TB Portable External Hard Drive USB 3.0 (Blue)(STBU1000102). Electronics. Computers & Accessories. Seagate.
6th: Sealegend D2 Mini Projector HD 3000 Lumens Support Full HD 1080P with WiFi Bluetooth Built-in Battery 8000mAh Android OS HDMI USB SD Card Slot Portable...

Options:
A: Black & Decker D2630 Auto-Off Digital Advantage Iron, Bronze. Home & Kitchen. Irons & Steamers. BLACK+DECKER.
B: CLC Custom Leathercraft C11 Loop Neck Bib Apron, 4-Pocket. Home & Kitchen. Kitchen & Dining. Custom Leathercraft.
C: EZ Disc CD/DVD Disc Dispenser. Electronics. Accessories & Supplies. EZ Disc.
D: Eartec Simultalk 24G Wireless Communication System. Electronics. Computers & Accessories. Simultalk.
E: LVWA® Road MTB Mountain bike carbon fiber water bottle cage WS021L black.  LVWA Sports.
F: Beautiful Contemporary Deer and Elk Silhouettes on a Faux Wood Style Background; Lodge Decor; Two 11x14in Prints. Brown/White. Home & Kitchen. Wall Art. Gango Home...
G: LED Lytes Battery Operated Candles - Set of 6 Ivory Wax Candles 2" Tall and 2" Wide with amber yellow Flame. Home & Kitchen. Home...
H: Eparé Table Wine Aerator - Decanter Set for Bottle or Glass - White or Red. Home & Kitchen. Kitchen & Dining. Epar.
I: Fox Run 4162 Honey Dipper, Wood. Home & Kitchen. Kitchen & Dining. Fox Run.
J: Fox Dr Juice Tournament Super Juice Walleye Scent. Sports & Outdoors. Sports & Fitness. Blue Fox.
K: Ann Clark Small Car Cookie Cutter - 4.75 Inches - Tin Plated Steel. Home & Kitchen. Kitchen & Dining. Ann Clark Cookie Cutters.
L: BLACKHAWK! Universal Drop Leg Hlstr Ambid Blk. Sports & Outdoors. Sports & Fitness. BLACKHAWK!.
M: KKmoon Power Strip with USB 4 Outlet Surge Protector Power Strip with 4 Port USB Charger 5.9 ftCord 2500W 100-240V for iPhone Tablet Travel Bedroom-Black...
N: BagSavr+ Two Pack The Complete Bag Storage & Re-Use Solution That Perfectly Fits Your Free Plastic Grocery Bags (Black). Home & Kitchen. Storage & Organization...
O: Energy Saving Beautiful DUPIONI Insulated Blackout 84"L Set - Beige - BT - Closeout. Home & Kitchen. Home Dcor. Best Home Fashion.
P: EB-614 Coolest 6-Cube Silicone Ice Tray (LARGE 1 PACK). Home & Kitchen. Kitchen & Dining. Elbee.
Q: Reversible Coasters 4 inches Set of 6 BLACK or BROWN Drink Coaster in Gift Box Holder Absorbs Moisture Protects Furniture from Water Marks. Home &...
R: Lightspeed Quick Draw Sun Shelter. Sports & Outdoors. Outdoor Recreation. Lightspeed Outdoors.
S: Scosche SE122CC 12-Inch Dual Subwoofer Enclosure (Grey/Black). Electronics. Car & Vehicle Electronics. Scosche.
T: TPI 737-F-18-TE 1/8 hp Power, 115V Industrial Floor Mounting Fan. Home & Kitchen. Heating, Cooling & Air Quality. TPI.


assistant
Answer: S