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: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
Purchase History:
1st: Wide Comfort Harness For Shoulder Systems Tan Ambidextrous. Sports & Outdoors. Sports & Fitness. Galco.
2nd: 5.11 Tactical Vest. Sports & Outdoors. Sports & Fitness. 5.11.

Options:
A: Number Two Cookie Cutter 4 in. Home & Kitchen. Kitchen & Dining. CookieCutterCom.
B: RC-6 IR Wireless Remote Controller for Canon EOS Rebel T2i T3i 5D 7D 60D 600D 500D 550D 650D. Electronics. Camera & Photo. YarMonth.
C: Acupressure Pillow - Green / Acupuncture Pillow for Neck Pain Relief Treatment. Home & Kitchen. Bedding. DG SPORTS.
D: Crock-Pot 6-Quart WeMo-Enabled Smart Slow Cooker, Stainless Steel. Home & Kitchen. Kitchen & Dining. Crock-Pot.
E: Predator Foam Target. Sports & Outdoors. Sports & Fitness. Avenger.
F: 13 inch Caf in Paris Silver Gray Notebook Laptop Sleeve Bag Carrying Case for Apple MacBook 13 Inch and 13 inch Computer. Electronics. Computers &...
G: Techno Earth New Gps Windshield Dash Mount for Tomtom One Xl. Electronics. GPS, Finders & Accessories. Techno Earth.
H: Protronix 4 Port USB 3.0 Hub with 5V/2A Power Adapter. Electronics. Computers & Accessories. Protronix.
I: 1000pcs Lavender Silk Rose Petals Artificial Flower Wedding Party Vase Decor Bridal Shower Favor Centerpieces Confetti. Home & Kitchen. Home Dcor. KiwiBaby.
J: PNY GeForce GTX 680 Graphics Cards VCGGTX680XPB. Electronics. Computers & Accessories. PNY.
K: Boot and Shoe Tray with New Anti-Skid Pads. Keep Floors & Shelves Clean from Water, Slush, Snow and Drips. Contain Spills from Pet Bowls, Shoes,...
L: Creative Bath Meow Bath Rug No Sz. Home & Kitchen. Bath. American Chateau.
M: MyGift Rustic Bronze Garden Floral Pattern Wall Mounted 5 Coat Hook/Clothing Rack/Key Holder/Hat Hanger. Home & Kitchen. Storage & Organization. MyGift.
N: TRIPAR 50223 3.78 Inch Gold Color Metal Square Wire Stand. Home & Kitchen. Home Dcor. TRIPAR.
O: Galco Screw Pack for Galco Shoulder Holster System, Black, Ambidextrous. Sports & Outdoors. Sports & Fitness. Galco.
P: 21 Pack Wholesale Space Saver Bag Vacuum Storage Bags - 1 Jumbo, 3 Xlarge, 5 Large, 5 Med, 4 Travel Bag in Two Size, 1...
Q: "I'd Rather Be in Paris" French Eiffel Tower Embroidered Pillowcases, Set of 2, Standard Size: 20 Inch X 30 Inch. Home & Kitchen. Bedding. PHI.
R: Sunnydaze 5-Step Rock Falls Tabletop Fountain with LED Lights, 14 Inch. Home & Kitchen. Home Dcor. Sunnydaze Decor.
S: StarZebra Gift Deals - Essential Oil Diffuser, Oil Burner, Oil Warmer with Tea Light Holder for Aromatherapy - Artisan Handcarved Soapstone 3" with Intricate Elegant...
T: Incase CL58080 Incase Mono Kit for GoPro Hero 3 and Hero 4 (Black/Lumen). Electronics. Camera & Photo. Incase Designs.


assistant
Answer: O