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: CamelBak eddy Insulated Water Bottle, 20oz. Sports & Outdoors. Sports & Fitness. CamelBak.
2nd: CamelBak eddy Kids 12oz Bottle (Discontinued Styles). Sports & Outdoors. Sports & Fitness. CamelBak.
3rd: Shoreline Marine Flush Mount Rod Holder, Black. Sports & Outdoors. Sports & Fitness. Shoreline Marine.
4th: N'Ice Caps Little Kids and Baby Cute Animal Faces Waterproof Winter Mittens. Sports & Outdoors. Outdoor Recreation.

Options:
A: Gift, GPS Navigator Anti Reflective Sun Shade for 5 Inch GPS for Most Kind of GPS. Electronics. GPS, Finders & Accessories. Ecom City.
B: Plantronics 43937-01 Replacement Ear Cushions, Standard. Electronics. Accessories & Supplies. Plantronics.
C: Feng Shui Import Chinese Wooden Fishbowl Planter Display Stand. Home & Kitchen. Home Dcor. Feng Shui Import.
D: Safavieh American Homes Collection Herman Red Storage Unit. Home & Kitchen. Furniture. Safavieh.
E: Olympus M Zuiko Digital ED 12-40mm f/2.8 Pro Interchangeable Lens  - International Version (No Warranty). Electronics. Camera & Photo. Olympus.
F: OCZ OCZ2P8004GK DDR2 800MHz 4GB Kit - Platinum Edition. Electronics. Computers & Accessories. OCZ.
G: Anti-Glare Screen LCD Film for iPod touch 4G (6 Pack). Electronics. Portable Audio & Video. BNBKFD.
H: The Kiss By Gustav Klimt Stretched Canvas Art Print Gallery Wrapped 18x24. Home & Kitchen. Wall Art. Buyartforless.
I: FSDC Keyed Trigger Gun Lock 3-Pack.
J: FOCO NFL Mens 2012 Team Stripe Scarf. Sports & Outdoors. Fan Shop. FOCO.
K: AC Power Adapter/Charger for Toshiba PA3516U-1ACA. Electronics. Accessories & Supplies. SIB.
L: Yunko Lovely Animal Series Stainless Steel Cookie Cutter Fondant Cutter Puppy Cat Giraffe Elephant Rabbit Dolphin Bone (Duck). Home & Kitchen. Kitchen & Dining. YunKo.
M: SquareTrade 3-Year Cameras & Camcorders Protection Plan ($4000-4999.99) - Basic. Electronics. Camera & Photo. SquareTrade.
N: AcePlus DVD+R 8X Dual Layer Silver Shiny 50 pieces Wheel Cap. Electronics. Accessories & Supplies. AcePlus.
O: Berkley Tube Rod Rack. Sports & Outdoors. Sports & Fitness. Berkley.
P: Wilson Wave Phenom Basketball. Sports & Outdoors. Sports & Fitness. Wilson.
Q: Coleman Kids Air Mattress with Soft Plush Top | EasyStay Single-High Inflatable Air Bed, Twin - 2000024251. Home & Kitchen. Bedding. Coleman.
R: (24) Silk Two-tone Blue Roses Flower Head - 1.75" - Artificial Flowers Heads Fabric Floral Supplies Wholesale Lot for Wedding Flowers Accessories Make Bridal Hair...
S: Readeel 2-Pack OTG adapter Micro USB OTG Adapter, Micro USB to USB Flash Drive OTG Adapter for Android/Smartphone/Tablet/Samsung Galaxy and More (Black). Electronics. Computers &...
T: J&J home fashion Moderate Use Ironing Board Cover with Pad. Home & Kitchen. Irons & Steamers. J&J home fashion.


assistant
Answer: O