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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: AmazonBasics 67-Inch Monopod. Electronics. Camera & Photo. AmazonBasics.
2nd: Generic NP-FM50 Np-f330 Np-530 Np-f550 Np-f570 Np-f730 Np-f750 Battery Home Travel Charger. Electronics. Camera & Photo. Generic.
3rd: Altura Photo Professional Flash Kit for Canon DSLR with E-TTL Flash AP-C1001, Wireless Flash Trigger Set and Accessories. Electronics. Camera & Photo. Altura Photo.
4th: eForCity Timer Remote Cord with 2.5 mm DC Adapter Compatible with Canon RS-60E3, 4FT. Electronics. Camera & Photo. eForCity.
5th: VANGUARD PH-30 Camera Pan Head. Electronics. Camera & Photo. Vanguard.
6th: Kuzy - Apple MacBook Pro 15.4-inch with Retina Display A1398 Rubberized Hard Case Cover Aluminum Unibody 15-Inch -Purple. Electronics. Computers & Accessories. Kuzy.
7th: Kingston 8 GB microSDHC Class 4 Flash Memory Card SDC4/8GBET. Electronics. Computers & Accessories. Kingston.
8th: Transcend USB 3.0 Super Speed Multi-Card Reader for SD/SDHC/SDXC/MS/CF Cards (TS-RDF8K). Electronics. Computers & Accessories. Transcend.
9th: Transcend 8 GB High Speed Class 10 UHS Flash Memory Card TS8GSDHC10U1 85/22 MB/s. Electronics. Computers & Accessories. Transcend.
10th: Neewer CN-126 LED Video Light for Camera or Digital Video Camcorder. Electronics. Camera & Photo. Neewer.
11th: SanDisk Extreme 32 GB SDHC Class 10 UHS-1 Flash Memory Card 45MB/s (SDSDX-032G-X46). Electronics. Computers & Accessories. SanDisk.
12th: Sony 8GB SDHC/SDXC Class 10 UHS-1 R40 Memory Card (SF8UY/TQMN) (OLD MODEL). Electronics. Computers & Accessories. Sony.
13th: USB - RJ45 Lan Adapter (Manufacturer Discontinued). Electronics. Computers & Accessories. GadgetCenter.
14th: Opteka 6.5mm f/3.5 HD Aspherical Fisheye Lens & Removable Hood for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, T7i, T7s, T7, T6s, T6i,...
15th: AmazonBasics USB A to Lightning Compatible Cable (3 Feet/0.9 Meter). Electronics. Computers & Accessories. AmazonBasics.
16th: Altura Photo Professional Flash Kit for Canon DSLR with E-TTL Flash AP-C1001, Wireless Flash Trigger Set and Accessories. Electronics. Camera & Photo. Altura Photo.
17th: STK LP-E6 Battery for Canon 5D Mark II III and IV, 70D, 5Ds, 6D, 5Ds, 80D, 7D, 60D, 5Ds R DSLR Cameras BG-E14, BG-E13, BG-E11,...
18th: Masione Replacement for Sony NP-F550 NP-F330 Digital Camera Battery. Electronics. Camera & Photo. Masione.
19th: AmazonBasics DSLR and Laptop Backpack - Gray interior. Electronics. Computers & Accessories. AmazonBasics.
20th: CowboyStudio Set of Two 7 feet Photography Light Stands with Cases. Electronics. Camera & Photo. CowboyStudio.
21st: kwmobile Anti-Dust Protection Plugs Set - Silicone Rubber Dust Plug Stopper for Apple MacBook Pro 13" 15" Retina/Air 11" 13"(from Mid 2011 to Mid 2016)...
22nd: Rokinon CV85M-C 85mm t/1.5 Aspherical Lens for Canon with De-Clicked Aperture and Follow Focus Compatibility Fixed Lens. Electronics. Camera & Photo. Rokinon.
23rd: Sony  SEL-20F28 E-Mount 20mm F2.8 Prime Fixed Lens. Electronics. Camera & Photo. Sony.
24th: Fujifilm Instax Mini Rainbow Film - 10 Exposures. Electronics. Camera & Photo. Fujifilm.

Options:
A: Wireless Bluetooth Headset, HandsFree Wireless Headphones Earpiece Ear Hooks V4.1 with Mic for Business/Office/Driving - Compatible with iPhone Samsung Android Cellphones. Electronics. Computers & Accessories...
B: Kuzy - Teal / Turquoise HOT Blue Keyboard Silicone Cover Skin for Macbook / Macbook Pro 13" 15" 17" Aluminum Unibody (fits MacBook with or...
C: Chalene Johnson's PiYo Base Kit - DVD Workout with Exercise Videos + Fitness Tools and Nutrition Guide. Sports & Outdoors. Sports & Fitness. Beachbody.
D: Pouch, Lockblade Belt Pouch Med,. Sports & Outdoors. Outdoor Recreation. Victorinox.
E: Calphalon 1873980 Pre-Seasoned Cast Iron Grill/Griddle Combo, Black. Home & Kitchen. Kitchen & Dining. Calphalon.
F: Amcrest FTDI USB Baofeng Programing Cable for Baofeng Radios– and Authentic FTDI Chipset. Electronics. Portable Audio & Video. Amcrest.
G: Wine Tasting Kitchen Decor Wooden Wall Art Sign Tuscan Drinking Bar. Home & Kitchen. Home Dcor. The Little Store Of Home Decor.
H: 4Gb (2X2Gb) Sodimm Memory Ram Compatible With Dell Inspiron 9400 Notebook Ddr2 By CMS A37. Electronics. Computers & Accessories. Computer Memory Solutions.
I: Nalgene 2 Pack Replacement Mouth Piece. Sports & Outdoors. Sports & Fitness. Nalgene.
J: Vaulia Microfiber Duvet Cover Sets, Reversible Print Pattern Design - Twin Size. Home & Kitchen. Bedding. Vaulia.
K: Simmons Deep Sleep Queen Hi Loft 21-Inch Raised Airbed. Home & Kitchen. Bedding. Simmons Deep Sleep.
L: NewAge Fitness Barbell Pad Squat Pad - Supports Squat Bar Weight Lifting for Neck & Shoulder - Protective Pad 16" Long, 3.5" Diameter. Sports &...
M: FUGOO Tough - Portable, Waterproof, Rugged Bluetooth Wireless Go Anywhere Speaker. Electronics. Portable Audio & Video. Fugoo.
N: POWERADD Microsoft Surface Pro 2 / Surface 2 / Surface Pro/Surface RT Keyboard Case, Slim Bluetooth Keyboard Touchpad Leather Folio Smart Case 10.6-inch Windows 8/Android...
O: Dayton Audio ND105-8 4" Aluminum Cone Midbass Driver 8 Ohm. Electronics. Home Audio. Dayton Audio.
P: Fuse Chicken Titan Loop M Key Chain Cable (Micro USB  Android). Electronics. Computers & Accessories. Fuse Chicken.
Q: Medelco 4 Cup Universal Glass Espresso Replacement Carafe, Black. Home & Kitchen. Kitchen & Dining. CAF BREW COLLECTION.
R: Viborg Black 60HZ 280g Record Weight LP Disc Stabilizer Turntable Vinyl Clamp HiFi. Electronics. Home Audio. Viborg.
S: Otis Technology I-MOD Cleaning System Cleaning Kit 5.56MM Softpack MFG-556-IMOD-NT. Sports & Outdoors. Sports & Fitness. Gerber.
T: Goplus Preacher Curl Weight Bench Seated Arm Isolated Barbell Dumbbell Biceps Station. Sports & Outdoors. Sports & Fitness. Goplus.


assistant
Answer: B