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: Sony MDR-EX71SL Fontopia In-The-Ear Headphones (Black). Electronics. Headphones. Sony.
2nd: KAIDAER 3 watts Mini Portable Speaker for IPhone, IPad, MP3 and Computers. Electronics. Computers & Accessories. KAIDER.

Options:
A: Kemper Clay Pattern Cutters -5 Pc Square Set by Kemper. Home & Kitchen. Kitchen & Dining. Kemper.
B: Camera Lens Filter Wrench Set for 62mm-77mm Filters, Package of 2. Electronics. Camera & Photo. Bower.
C: American Weigh Scales AWS-1KG-BLK Signature Series Black Digital Pocket Scale, 1000 by 0.1 G, With Seaside 500 Gram Stainless Steel Calibration Weight. Home & Kitchen...
D: Italy Soccer 2014 FIFA World Cup Flag Blue T-shirt. Sports & Outdoors. Fan Shop. FIFA.
E: Lexar JumpDrive TwistTurn 16 GB USB Flash Drive (Black & Silver) 4-Pack (64GB Total). Electronics. Computers & Accessories. Lexar.
F: Huntworth Snow Camo Hunting Bibs. Sports & Outdoors. Sports & Fitness. Huntworth.
G: Tiger Stick! in the wrapper 4.25 OZ Hand Grip Pine Tar Baseball Bat. Sports & Outdoors. Sports & Fitness. Tiger Stick.
H: Ultimate 4 Rod Sitter - 4 Rod Fishing Rod Storage Rack. Sports & Outdoors. Sports & Fitness. ColdTuna.
I: Homespun Cabin Novelty Lodge Pattern Multi-Color Rectangle Area Rug, 8' x 10'. Home & Kitchen. Home Dcor. Universal Rugs.
J: Mini Storage Containers with Lids, Sure Fresh, Plastic, Reusable, Round and Rectangular 20-pc Set. Home & Kitchen. Kitchen & Dining. SureFresh.
K: Americanflat Daddy's Little Girl Picture Frame, Glass Front - Color: Black - Fits Photos 4x6 - Easel Back for Tabletop Display. Home & Kitchen. Home...
L: Vivoice Ultra 8.5oz(One Cup) Clear Heat Resistant Glass Teapot Infuser with 250 ml Glass Filter. Home & Kitchen. Kitchen & Dining. Vivoice.
M: Dell Inspiron 3000 Series i3847-5386BK Desktop (3.2 GHz Intel Core i5-4460 Processor, 12GB DDR3, 1TB HDD, Windows 8.1) (Discontinued by Manufacturer). Electronics. Computers & Accessories...
N: Ultimate Body Press Ergonomic Joist Mount Bar. Sports & Outdoors. Sports & Fitness. Ultimate Body Press.
O: Origin8 Capster Headset Top Cap. Sports & Outdoors. Outdoor Recreation. Origin8.
P: Catskill Craftsmen 14-Inch Professional Poly Cutting Board. Home & Kitchen. Kitchen & Dining. Catskill Craftsmen.
Q: Repairs Plantation Shutter: 15 Spring Loaded Shutter Pins + 15 Tilt Rod Louvers Staples. Home & Kitchen. Home Dcor. Amazing Drapery Hardware.
R: Rubbermaid 071691222552 3-Qt. MixerMate Seal N' Saver Pitcher/Bottle, Red, 3-Quart. Home & Kitchen. Kitchen & Dining. Rubbermaid.
S: Sienoc Displayport DP Male to HDMI Female DP to HDMI Adapter Cable Video Audio Converter Color Black. Electronics. Computers & Accessories. SIENOC.
T: Montevilla Beme International 5/8" Core Ribbed Knob Telescoping Double Drapery Rod Set, 26-48", Black Oil. Home & Kitchen. Home Dcor. Montevilla.


assistant
Answer: S