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: Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Sigma Digital SLR Cameras. Electronics. Camera & Photo. Sigma.
2nd: PNY Elite Performance 128 GB High Speed SDXC Class 10 UHS-I, U3 Up to 95 MB/Sec Flash Card (P-SDX128U395-GE). Electronics. Computers & Accessories. PNY.
3rd: Manfrotto MT055XPRO3 055 Aluminium 3-Section Tripod with Horizontal Column (Black). Electronics. Camera & Photo. Manfrotto.
4th: Lowepro Fastpack 350 DSLR Camera Backpack. Electronics. Camera & Photo. Lowepro.
5th: Yongnuo flash YN568ex TTL Flash Speedlite Flash trigger for Nikon camera Nikon flash + Two Free OOPSTEK Cleaning cloth for camera lenses nikon lenses. Electronics...
6th: Nikon D810 FX-format Digital SLR Camera Body. Electronics. Camera & Photo. Nikon.
7th: Pergear TH3 Pro DSLR Camera Tripod Ball Head, 8KG/17.6lbs Loading Capacity, 360 Degree Swivel, Metal Build Quality, Fine Tuning Damping, U-Shaped Groove Design for Easy...

Options:
A: Bipra 2.5 Inch External Hard Drive Portable USB 2.0 - BLUE - FAT32 (160GB). Electronics. Computers & Accessories. BIPRA.
B: Maha 12V Car Adapter for MH-C9000 Charger. Electronics. Accessories & Supplies. Maha.
C: Sport2People Running Pouch Belt, USA Patented, Runner Waist Pack iPhone X 6 7 8 for Men and Women (black, one size, 2 pockets). Sports &...
D: Advanced Accessory Bundle Kit For Panasonic Lumix DMC-TS4, DMC-TS3, DMC-TS2 Waterproof Digital Camera Includes Replacement DMW-BCF10 Extended (1200Mah) Battery + Charger + Case + Float...
E: Mtech Ballistic Assisted Black Law Enforcement Police Tanto Pocket Knife. Sports & Outdoors. Sports & Fitness.
F: Leg Lamp Cookie Cutter 5 in. Home & Kitchen. Kitchen & Dining. CookieCutterCom.
G: EIKON DIGITAL PRIVACY MANAGER FEATURING TRUESUITE. Electronics. Security & Surveillance. UPEK.
H: Emeril by All-Clad E9209964 Hard Anodized Nonstick Fry Pan with Lid Cookware, 12-Inch, Black. Home & Kitchen. Kitchen & Dining. All-Clad.
I: Lenox 2013 Jolly Jingle Star Ornament. Home & Kitchen. Home Dcor. Lenox.
J: Kastar Compatible Battery 2 Pack Replacement for NP-BY1 EN-EL11 LI-60B DLI-78 DB-L70 DB-80 LI-60C MH-64 and Sony Action Cam Mini HDR-AZ1 Nikon Coolpix S550 S560...
K: Two Halcyon 1200 mAH Lithium Ion Replacement NP-45A Battery and Charger Kit + Memory Card Wallet + SDHC Card USB Reader + Deluxe Starter Kit...
L: Gonesh Collection Jasmine-Extra Rich Incense. Home & Kitchen. Home Dcor. Gonesh.
M: Kuhn Rikon 2563 Heavy Duty Cast Iron Restaurant Professional Bottle Tin Jar for Kitchen Use, 10-Inch, Red. Home & Kitchen. Kitchen & Dining. Kuhn Rikon.
N: Mudder Party Light Hanger Hanging Clips Hook for Curtain and Outdoor Activities Wire, 15 Pieces. Home & Kitchen. Event & Party Supplies. Mudder.
O: Fujifilm X-Pro2 Tempered Glass Screen Protector, Exuun Optical 9H Hardness 0.3mm Ultra-Thin DSLR Camera LCD Tempered Glass for Fujifilm X-Pro2 Digital Camera. Electronics. Camera &...
P: Nikon D7100 24.1 MP DX-Format CMOS Digital SLR with 18-105mm f/3.5-5.6 Auto Focus-S DX VR ED Nikkor Lens. Electronics. Camera & Photo. Nikon.
Q: LENTION Earphone Holder/Headphone Keeper/Cable Turtle Organizer/Winder Case for iPhone, iPod, Samsung, Sony, MP4, Earbud And More (Black). Electronics. Accessories & Supplies. LENTION.
R: Impress IM-701 1500-Watt Compact Fan Heater with Adjustable Thermostat. Home & Kitchen. Heating, Cooling & Air Quality. Impress.
S: PolarPro Professional Filter 6-Pack for DJI Phantom 4 / Phantom 3. Electronics. Camera & Photo. PolarPro.
T: Ollieroo Rustic Vintage Bookcase Industrial Bookshelf, Grain Wood and Metal Shelves Furniture (4 Tier). Home & Kitchen. Furniture. Ollieroo.


assistant
Answer: P