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: Airhead Air Pump for Inflatables. Sports & Outdoors. Outdoor Recreation. Airhead.
2nd: Fly Box--Large Fishing "Go To" Fly Box with Swing Leaf Center. Sports & Outdoors. Sports & Fitness. New Phase.
3rd: Nalgene 12 Oz Flask. Sports & Outdoors. Sports & Fitness. Nalgene.
4th: Nike Swoosh Headband. Sports & Outdoors. Sports & Fitness. Nike.

Options:
A: Sceptre Inc. E328BV-MDC 32-Inch 720p 60Hz LED TV. Electronics. Television & Video. Sceptre.
B: RIF6 Powered 1X to 16x PCIe Riser with Molex Connector and Clip for Bitcoin Mining 11 inch (29 cm). Electronics. Computers & Accessories. RIF6.
C: Apple iPod shuffle 2 GB Silver (2nd Generation)  (Discontinued by Manufacturer). Electronics. Portable Audio & Video. Apple.
D: Mobility iPad Folio Tablet Case - PU Leather Protective Folding Magnetic Smart Case with Stand - Auto Sleep / Wake Feature - Fits Apple iPad...
E: PHILIPS USA PH62020 Wet-type Cassette Head Cleaner (Discontinued by Manufacturer). Electronics. Accessories & Supplies. Philips.
F: Skirt Sports Gym Girl Ultra Skirt Semi-Compression Mesh Athletic Shorts Hidden Pockets. Sports & Outdoors. Sports & Fitness. Skirt Sports.
G: AVBeads DCS-EC059-100 Earring Display Cards with Self Adhesive Bags, Black, Set of 100. Home & Kitchen. Storage & Organization. AV BEADS.
H: eLuxurySupply Down Blanket with Satin Trim - 230 Thread Count, King, White. Home & Kitchen. Bedding. eLuxurySupply.
I: 1200 Series 4pc KING SIZE Microfiber Bed Sheet Set,Deep Pocket, GOLD. Home & Kitchen. Bedding. JS Sanders Collection.
J: Lastolite LL LS2462JM Joe McNally 24-Inch Satin EzyboxHotshoe. Electronics. Camera & Photo. Lastolite.
K: PRINZ Typography Cat Wood Frame, 6 by 4-Inch. Home & Kitchen. Home Dcor. PRINZ.
L: Klipsch RB-10 4-Inch Two-Way Bookshelf Loudspeaker (pair). Electronics. Home Audio. Klipsch.
M: KlipSki - EASY Ski and Pole Carrier. Sports & Outdoors. Outdoor Recreation. KlipSki.
N: Super Soft Light Weight, 100% Brushed Microfiber, Full/Queen, Wrinkle Resistant, White Duvet Cover with Grey Peaks Embroidery Pillowshams in Gift Box. Home & Kitchen. Bedding...
O: ColorfulHall - Angel Beauty Butterfly and Figure Wall Clock Removable DIY Acrylic 3D Mirror Wall Decal Wall Sticker Home Decoration (Silver). Home & Kitchen. Home...
P: DECORARTS -Boston Harbor, Sunset, Fitz Henry Lane Classic Art Reproductions. Giclee Canvas Prints Wall Art for Home Decor 24x16. Home & Kitchen. Wall Art. DECORARTS.
Q: Best Digital Thermometer for BBQ, Cooking, Meat, Food, Grill with Collapsible Internal Probe & Ebook. Home & Kitchen. Kitchen & Dining. Kitchen Instant.
R: Kuchenprofi Heavy Duty Fine Mesh Stainless Steel 7-Inch Classic Strainer. Home & Kitchen. Kitchen & Dining. Kuchenprofi.
S: ATC 3.6V 800mAH CORDLESS PHONE BATTERY For Uniden BT-446 BT446 BP446, TRU88852,TXC-580 ,TXC-146,TXC-400. Electronics. Accessories & Supplies. Atc.
T: Piscifun Sword Fly Fishing Reel with CNC-machined Aluminum Alloy Body 3/4, 5/6, 7/8, 9/10 Weights(Black, Gunmetal, Pink, Space Gray). Sports & Outdoors. Sports & Fitness...


assistant
Answer: T