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: Polaroid Universal Gel Soft Box Diffuser (Includes Blue, Red, Green, Amber, Yellow & Pink Gels) For Canon EOS, Nikon, Olympus, Pentax, Sony, Sigma, & Other...
2nd: Yongnuo RF-603 N3 2.4GHz Wireless Flash Trigger/Wireless Shutter Release Transceiver Kit for Nikon D90/D3100/D5000/D7000. Electronics. Camera & Photo. YONGNUO.

Options:
A: Gskyer Telescope,AZ70700 German Technology Telescope,Instruments Infinity Refractor. Electronics. Camera & Photo. Gskyer.
B: Altura Photo Professional Flash Kit for Nikon DSLR - Includes: I-TTL Flash (AP-N1001), Wireless Flash Trigger Set and Accessories. Electronics. Camera & Photo. Altura Photo.
C: Maxi-Matic EWM-9008K Waffle Maker, White. Home & Kitchen. Kitchen & Dining. Maxi-Matic.
D: Hoover Y and Z-Micro Filtration Bag, 12 Bags Treated with Ultra-Fresh for Models 4010100Y, 902481001, AH10165, 902419001, AH10040, 4010100Z and 4010075Z. Home & Kitchen. Vacuums...
E: Ancor 400000 Marine Grade Electrical Nylon Cable Clamp Kit (1/8 to 1/2-Inch, 54-Pack). Sports & Outdoors. Sports & Fitness. Ancor.
F: Chemex Glass Coffeemaker Cover. Home & Kitchen. Kitchen & Dining. Chemex.
G: Noctua NA-SAVP1 chromax.white, Anti-Vibration Pads for 120/140mm Noctua Fans (White, 16-pack). Electronics. Computers & Accessories. Noctua.
H: Camgeeker 11 Inch Articulating Magic Friction Arm for Hot Shoe Mounts to Work with LED Panel, DSLR Monitor, Mic 7ARM. Electronics. Camera & Photo. StarForest.
I: SanDisk 8GB MicroSDHC / Transflash with SD Adapter (BULK Packaging). Electronics. Computers & Accessories. SanDisk.
J: Canon Powershot SD550 Digital Camera Battery (800 mAh) - Replacement for Canon NB-3L Battery. Electronics. Camera & Photo. Dynamic Power.
K: Govinda Natural Frankincense & Myrrh Resin Regular Grade - 1 Pound. Home & Kitchen. Home Dcor. Govinda.
L: JBJ Sac Pagan Spell Incense Sticks, 120 Count. Home & Kitchen. Home Dcor. JBJ.
M: Belkin F2CD000b06-E DisplayPort-Male to DisplayPort-Male Cable (6 Feet, Black). Electronics. Computers & Accessories. Belkin.
N: Monoprice M1-A(P&D) Male to VGA (HD-15) Female Adapter. Electronics. Accessories & Supplies. Monoprice.
O: WXBUY Large Outdoor Molle Assault Tactical Backpack Military Rucksack Backpack Bag USA (B). Sports & Outdoors. Outdoor Recreation.
P: ProCase Universal 360 Rotating Stand Folio Case Cover for 7-8 inch Tablet Dragon Touch, Chromo Inc, ProntoTec, NeuTab, Nextbook, Tagital, Alldaymall, iRulu, RCA, iView Android...
Q: Himalayan Salt Lamp [3X Free Bulbs] Natural Shape Crystal Pink Salt Light with Solid Wooden Base | Air-Purifier Rock Salt Lamp 8 lbs to 11...
R: Aguaphile Prescription Swim Goggles Soft and Comfortable - Anti-Fog UV Protection - Best Prescription Swimming Goggle - Compare to Speedo or TYR - Adult, Men...
S: rooCASE Amazon Kindle Fire HDX 7 Case - (2014 Current Generation) Dual Station PU Leather 7-Inch 7" Cover with Stylus - BLACK (With Auto Wake/Sleep...
T: Pacific Merchants Acaciaware 10-Inch Acacia Wood Square Serving Tray (K0062),Pacific Merchants Trading Comp,K0062 />. Home & Kitchen. Kitchen & Dining. Pacific Merchants Trading.


assistant
Answer: B