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 NS-AW150BL 2-Way Outdoor Speakers - Black (6 Speakers with AmazonBasics Speaker Wire). Electronics. Home Audio. Yamaha.
2nd: Yamaha NS-AW150WH 2-Way Indoor/Outdoor Speakers (Pair, White). Electronics. Home Audio. Yamaha Audio.

Options:
A: Columbia Sportswear Men's Reign Stopper Jacket. Sports & Outdoors. Outdoor Recreation. Columbia.
B: SumacLife Cady Shoulder Bag Briefcase for Apple iPad Pro 12.9 inch Tablet. Electronics. Computers & Accessories. SumacLife.
C: TomTom GO 730T 4.3-Inch Widescreen Bluetooth Portable GPS Navigator with Traffic Receiver (Discontinued by Manufacturer). Electronics. GPS, Finders & Accessories. TomTom.
D: Five-Piece Home Canning Kit by VICTORIO VKP1041. Home & Kitchen. Kitchen & Dining. Victorio Kitchen Products.
E: T POWER Ac Dc Adapter 17v~20v Compatible with Bose Soundlink I, II, III, 1, 2, 3 Portable Sound Link Wireless Mobile Speaker System 10 306386-101,...
F: Dry Bag The Best 10L Waterproof Dry Sack – Made From 100% Waterproof Material – Extra Long Shoulder Strap Included – Great For Boating, Kayaking,...
G: KingPad K70 7-inch Tablet (Black) - (1.3Ghz Quad Core Processor, 512MB RAM, 8GB HDD, Android 4.4 Kitkat). Electronics. Computers & Accessories. Kingpad.
H: MikroTik RouterBoard RB2011UiAS-IN 1 SFP Port Plus 10 Port Ethernet. Electronics. Computers & Accessories. Mikrotik.
I: Craft Vinyl Sticker Decal Navy Seal Punisher Skull Chris Kyle American Sniper.
J: Manduka EKO Superlite Travel Yoga and Pilates Mat. Sports & Outdoors. Sports & Fitness. Manduka.
K: Rubbermaid/ Rowekamp 1G1706BLA Sink Mat Sm Black. Home & Kitchen. Kitchen & Dining. Rubbermaid.
L: Inomata.0800 Japanese Vegetable Fruit Rice Wash Bowl, 8-Inch, Clear. Home & Kitchen. Kitchen & Dining. Inomata.
M: Cable Matters 12 AWG CL2 In Wall Rated Oxygen-Free Bare Copper 4 Conductor Speaker Wire (Speaker Cable) 250 Feet. Electronics. Accessories & Supplies. Cable Matters.
N: PNY GeForce GTX 980 4GB CG EDITION Graphics Card. Electronics. Computers & Accessories. PNY.
O: Yamaha NS-AW150WH 2-Way Indoor/Outdoor Speakers (Pair, White). Electronics. Home Audio. Yamaha Audio.
P: X-Large Flip Shot AR500 Steel Reactive Auto Reset Pistol Rifle Target. Sports & Outdoors. Sports & Fitness. SUB.MOA.
Q: Northpoint 12-LED Lantern Vintage Style, Dark Blue. Sports & Outdoors. Outdoor Recreation. Northpoint.
R: 500-Thread-Count Egyptian Cotton Super Soft Extra Deep Pocket Fitted Sheet/Bottom Sheet Queen Solid Blue Fit Up to 21" inches Deep Pocket Fully Elastic All Around...
S: Cybrtrayd Life of the Party J078 Policeman Set Badge Nightstick Handcuffs Chocolate Candy Mold in Sealed Protective Poly Bag Imprinted with Copyrighted Cybrtrayd Molding Instructions...
T: Bluetooth Smart Watch OUMAX S6 Edge for Android Smart Phones (Full Function Support for Android 4.3 to Android 6.0) - IPS Display/Black/Curved Screen/Replacement Premium Leather...


assistant
Answer: O