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: WD My Passport Essential 320 GB USB 2.0 Portable External Hard Drive (Real Red). Electronics. Computers & Accessories. Western Digital.
2nd: WOWOTO T9 Projector Video Projector 11.69.63.3 inches 3500 lumens Black. Electronics. Computers & Accessories. WOWOTO.
3rd: Audio-Technica ATH-M30 Closed-Back Headphones. Electronics. Headphones. Audio-Technica.
4th: Miccus Mini-jack AX4 - Bluetooth Receiver with AUTOMATIC On/Off from USB, hands-free calling, add wireless audio to vehicles, speakers, stereos, etc. (Dual-Link). Electronics. Portable Audio...
5th: Satechi 4 Port Portable USB 3.0 Hub for Ultra Book, MacBook Air, Windows 8 Tablet PC (4USB Black). Electronics. Computers & Accessories. Satechi.

Options:
A: BEST LOOSE TEA INFUSER Leaffusion - It Fits Perfectly In Any Pot Cup Tumbler Infuser Pitcher Mug Heat Resistant Made Out Of Stainless Steel And...
B: South Shore Prairie Bookcase Headboard with Storage, Twin 39-inch, Country Pine. Home & Kitchen. Furniture. South Shore.
C: USB 3.0 Data Charger Cable for EeePad TF101 TF201 SL201. Electronics. Computers & Accessories. Generic.
D: Pyle-Pro PEXA3000 19'' Rack Mount 3000 Watt Professional  Power Amplifier w/ Digital SMT Technology. Electronics. Accessories & Supplies. Pyle.
E: Creative Co-Op DA3024 Round Pressed Glass Salt Cellar. Home & Kitchen. Kitchen & Dining. Creative Co-op.
F: VVME VVME-HTPED-V61 720P (1280 x 800) HD Ready LED Video Projector. Electronics. Video Projectors. VVME.
G: Black Slip-on Bar Stool Cover 12-15 inche Diameter (12" Diameter with 2" Sideband). Home & Kitchen. Furniture. Custom Grafix.
H: Black Silicone Skin Case Cover + LCD Screen Protector + Belt Clip + Adjustable Armband + Lanyard + Fishbone Keychain for Apple iPod Nano 5th...
I: DreamDNA 2lb Queen Size 4" American Made Visco Elastic Memory Foam Mattress Topper. Home & Kitchen. Bedding. AmericanMade.
J: Lenovo Onelink Plus dock (40a40090us) For Select ThinkPad Models Only. Electronics. Computers & Accessories. Lenovo.
K: (OLD MODEL) Seagate Expansion 1TB Desktop External Hard Drive USB 3.0 (STBV1000100). Electronics. Computers & Accessories. Seagate.
L: Sound Storm SVA4 Video Signal Amplifier, Single Source In, Four Outputs. Electronics. Car & Vehicle Electronics. Sound Storm Laboratories.
M: Sturdy Cotton Duck Shower Curtain, TUB Size, Blue Ticking Stripe. Home & Kitchen. Bath. Mountain Laurel Mercantile.
N: Camera / Small Electronics Case - Red for Kodak Easyshare. Electronics. Camera & Photo. GSI.
O: Purple Hibiscus Flowers Reactive Beach Towel 30 X 60. Home & Kitchen. Bath.
P: PowerTRC LED Programmable Message Fan with Customized Drawing - USB Powered (Blue Led). Electronics. Computers & Accessories. PowerTRC.
Q: Multi Color Blank Silicone Bracelet Rubber Blank Sport Cuff Fashion Unisex Wristband.  AccessCube.
R: G’z Stainless Steel Egg Separator. Home & Kitchen. Kitchen & Dining. G'z.
S: SimpleTech 2TB SimpleDrive Pro Duo USB 2.0/eSata External Drive (FP-UFE2/2TB). Electronics. Computers & Accessories. SimpleTech.
T: Longzang Swing Baby Fondant Silicone Sugar Craft Mold, Mini, Pink. Home & Kitchen. Kitchen & Dining. Longzang.


assistant
Answer: K