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: Yamaha CM500 Headset with Built-In Microphone. Electronics. Computers & Accessories. Yamaha.
2nd: Insten LP-E5 Battery Charger Compatible with Canon EOS Rebel T1i Xsi Xs. Electronics. Camera & Photo. INSTEN.
3rd: STK's Canon LP-E5 Battery Pack - 2000mAh for Canon EOS Rebel XS, Rebel T1i, Rebel XSi, 1000D, 500D, 450D, Kiss X3, Kiss X2, Kiss F,...

Options:
A: Foto4easy 501PL Sliding Quick Release Plate QR For Manfrotto 501 503HDV 701HDV MH055M0-Q5. Electronics. Camera & Photo. foto4easy.
B: Mount-It! MI-3352LTMN Laptop Desk Stand and Monitor Mount, Full Motion Height Adjustable Holder, Fits up to 17 Inch Notebooks, VESA 75, 100 Compatible with 22,...
C: Kitchen Gizmo Spring Loaded Potato Masher and Ricer With Comfortable Grip. For the Smoothest Creamiest Mashed Potatoes. Home & Kitchen. Kitchen & Dining. Kitchen Gizmo.
D: KOOTION10PCS 8GB USB 2.0 Flash Drive Memory Stick Fold Storage Thumb Stick Pen Swivel Design Black Ships from USA. Electronics. Computers & Accessories. KOOTION.
E: DigitalsOnDemand ® 14-Item Accessory Bundle for Amazon Kindle Fire HD 8.9 1st Gen Previous Model - Leather Case, Sleeve Cover, Screen Protector, HDMI Cable, USB...
F: Dell S2715H 27-Inch Screen LED-Lit Monitor. Electronics. Computers & Accessories. Dell.
G: TYR Men's Team Digi All Over Jammer. Sports & Outdoors. Sports & Fitness. TYR.
H: Clean Dirty Dishwasher Magnet Sign - Modern Elegant Moroccan Trellis Pattern - Yellow Gold Grey - 2.5 x 3.5 - Housewarming, Gag Gift Idea for...
I: TeChef - Stovetop Korean BBQ Non-Stick Grill Pan with Teflon Select Non-Stick Coating (PFOA Free) / DuPont Print Designs Technology (GP12). Home & Kitchen. Kitchen...
J: Plymor Brand 5.5" x 8" Glass Display Dome Cloche (no Base). Home & Kitchen. Home Dcor. Plymor.
K: Verbatim Ultra-Slim Rechargable Wireless Bluetooth Keyboard for iPhone, iPad (All), iPodTouch, Kindle Fire HD (All), Google Nexus, Samsung Galaxy, other Android Tablets, Black 97753. Electronics...
L: Yankee Candle Large Jar Candle, Midnight Jasmine. Home & Kitchen. Home Dcor. Yankee Candle.
M: Ganz Zinc Spoon Rest, Cupcake. Home & Kitchen. Kitchen & Dining. Ganz.
N: Mini HDMI Cable for CANON EOS 5D MARK II, EOS 7D, EOS 50D, EOS Rebel T1i & VIXIA: HF S10, HF S100, HF S11, HF100,...
O: Sungwoo Foldable Silicone Keyboard USB Wired Waterproof Rollup Keyboard for PC Notebook Laptop (Blue). Electronics. Computers & Accessories. Sungwoo.
P: Shoreline Marine LED All-Around Light Clamp-On. Sports & Outdoors. Sports & Fitness. Shoreline Marine.
Q: BANBERRY DESIGNS Wine Canvas Print - LED Lighted Candles Inside Wine Bottles - Also Pictured Are Grapes, a Trumpet and a Jazz Horn - 12x16...
R: Reditainer Rectangular Food Storage Containers with Lids (20 Pack), 28 oz, Black. Home & Kitchen. Kitchen & Dining. Reditainer.
S: Power Bright PW1500-12 Power Inverter 1500 Watt 12 Volt DC To 110 Volt AC. Electronics. Accessories & Supplies. PowerBright.
T: GOgroove BlueBar Bluetooth Headset Receiver And High Fidelity Ear Bud Combo. Converts Any Headphones into Bluetooth - Allows Hands-free Calling , Wireless Music Streaming. Works...


assistant
Answer: B