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: Runetz - 13" BLACK Hard Sleeve for MacBook Pro 13.3" with or w/out Retina Display and MacBook Air 13-inch Laptop Case Cover - Black. Electronics...
2nd: GOBUDi Action Camera Tough Stick | Works with AKASO, Cymas, Mesqool, Logicom, Vikeepro, DBPOWER, VTech, Lightdow, Campark, Garmin VIRB and top models | Extendible, Sturdy,...
3rd: Wasabi Power Battery for GoPro HERO3, HERO3+ and GoPro AHDBT-201, AHDBT-301, AHDBT-302 (1280mAh). Electronics. Camera & Photo. Wasabi Power.

Options:
A: JALL for MacBook Pro Charger 60W Magsafe L-Tip Power Adapter for MacBook Pro 13-inch Before Mid 2012. Electronics. Computers & Accessories. JALL.
B: GoPole The Arm - Helmet Extension For GoPro Cameras. Electronics. Camera & Photo. GOPOLE.
C: Smith Optics I/O Goggle. Sports & Outdoors. Outdoor Recreation. Smith Optics.
D: 41 Inch Compact Camera Tripod - Black and Silver - 1601186-BP. Electronics. Camera & Photo. Unknown.
E: Double Dolphin Over Coral Bed in Round Paperweight. Home & Kitchen. Home Dcor. TBI.
F: 3/4" Split Nylon Wire Loom Tubing - 100 Feet - Black. Electronics. Accessories & Supplies. Electriduct.
G: Acrylic Plastic Products 11-Inch by 17-Inch Placemats Clear and Smooth, Set Of 2. Home & Kitchen. Kitchen & Dining. Kitchen Kare.
H: Slik F740 Economy Tripod - Large - Black. Electronics. Camera & Photo. Slik.
I: Gravy Oil Fat Separator Measuring 4 Cups w/ Strainer Seperator Measurer Kitchen. Home & Kitchen. Kitchen & Dining. Home Ware.
J: Prep Solutions by Progressive Microwavable Fish and Veggie Steamer, Steam Vent, Vegetable Steamer, BPA FREE, Dishwasher Safe. Home & Kitchen. Kitchen & Dining. Progressive.
K: Cmple - FireWire 800 BETA 9 Pin to 9 Pin Male To Male Cable 3 Feet Clear. Electronics. Computers & Accessories. Cmple.
L: Metra 70-7002 Amplifier Bypass Harness for Select Mitsubishi Vehicles. Electronics. Car & Vehicle Electronics. Metra.
M: Cambridge Silversmiths 20 Piece Indira Kashmira Antique Flatware Set, Copper, Service for 4. Home & Kitchen. Kitchen & Dining. Cambridge Silversmiths.
N: Can 66 Carbon Filter with Prefilter, Flange Sold Separately. Home & Kitchen. Heating, Cooling & Air Quality. Can Filter.
O: Black Optical Hand-Held USB Trackball Mouse For Laptop PC. Electronics. Computers & Accessories. Brainydeal.
P: Headphone Case for Sony WH-CH700N, MDR10RBT, MDR1RBT, 1A, 1ABT, MDRXB950, MDRXB650, MDRXB770, MDRXB920, MDRXB900; ATH-M50, M50x, ANC29, ESW9, 10, ES88, WS77; BeoPlay H2, H6, H7,...
Q: Minn Kota MKP-38 Prop 2341160 Weedless Wedge, Black. Sports & Outdoors. Sports & Fitness. Minn Kota.
R: Conair Hand-Held Fabric Steamer. Home & Kitchen. Irons & Steamers. Conair.
S: Loomin Robot Vacuum Cleaner A325 Auto Slim Anti Fall Floor Robotic Vacuum. Home & Kitchen. Vacuums & Floor Care. Loomin.
T: Flexible Bendable Tripod + Tripod Mount for GoPro Hero, Hero2, Hero3, Hero3+, Hero4, Hero+ LCD, Hero4 Session Includes SSE Microfiber Cleaning Cloth. Electronics. Camera &...


assistant
Answer: B