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: 12.9-14 Inch Laptop/Tablet Sleeve Evecase Diamond Foam Splash Shock Resistant Neoprene Sleeve Bag for for Notebook Chromebook, Ultrabook, Macbook Pro/Air 13.3 / iPad Pro 12.9...
2nd: Impossible PRD-4158 Black/Yellow Duochrome Film (Third Man Records Edition) for Polaroid 600-Type Cameras. Electronics. Camera & Photo. Wynit.

Options:
A: Boat Oars with Oar Locks (1 Pair). Sports & Outdoors. Outdoor Recreation. HC.
B: Crazepony RunCam OWL PLUS 700TVL FPV Camera OSD Wide Angle 150 Degree DC 5-22V IR Blocked Black. Electronics. Camera & Photo. RunCam.
C: Bixle® 1/2-inch Extra Thick (15mm) 72-inch Long High Density Exercise Yoga Mat with Comfort Foam and Carrying Straps (Grey). Sports & Outdoors. Sports & Fitness...
D: Red Contemporary Rugs for Living Room Bathroom Entery Carpet Reds Black Grey White 2x3 Carpets for Bedrooms, 2x3 Rug. Home & Kitchen. Home Dcor. AS...
E: Garlic Grip Silicone Garlic Peeler Tube Cooking gadgets home kitchen tools Free Garlic Recipe eBook Black. Home & Kitchen. Kitchen & Dining. Garlic Grip.
F: Eberlestock Scope Cover w/ Crown Shield. Sports & Outdoors. Sports & Fitness. Eberlestock.
G: Music Led Strip Lights, TaoTronics Christmas Rope Lights Kit (300 Leds, RGB,20 Key, 16.4ft). Home & Kitchen. Seasonal Dcor. TaoTronics.
H: Adult Thanksgiving Apron,Fall, Autum, Turkey, Leaves,. Home & Kitchen. Kitchen & Dining. Fun Express.
I: New Era NFL 2016 Reverse Team Color Sport Knit Beanie. Sports & Outdoors. Fan Shop. New Era.
J: Concept2 Model E Indoor Rowing Machine. Sports & Outdoors. Sports & Fitness. Concept2.
K: URPOWER Light Wood Grain Classical Essential Oil Diffuser with 6 Bottles 100% Pure Essential Oils. Home & Kitchen. Irons & Steamers. URPOWER.
L: Ju-Ju-Be Classic Collection Fuel Cell Insulated Bottle and Lunch Bag, Dot Dot Dot. Home & Kitchen. Kitchen & Dining. Ju-Ju-Be.
M: dlc V9 Comporta II Hands-Free Body Support Harness for DSLR Cameras and Camcorders. Electronics. Camera & Photo. DLC.
N: Easter Bunny Treat Bags, 50ct. Home & Kitchen. Event & Party Supplies. Unique.
O: Pioneer P6A Extra Variety Pack 5, 8, 12mm Extension Posts (6 sets) f/all Post Bound albums. Electronics. Camera & Photo. Pioneer Photo Albums.
P: Legare 43-Inch Kids' Desk with File Cart, Pink/White. Home & Kitchen. Furniture. Legar.
Q: Buffalo MediaStation 8x Portable DVD Writer (DVSM-PC58U2VB). Electronics. Computers & Accessories. BUFFALO.
R: SVAT WRC100 Wireless Indoor Remote Control Power Outlet. Electronics. Camera & Photo. SVAT.
S: Zak Designs Grace Pitcher, 2-Quart, Clear. Home & Kitchen. Kitchen & Dining. Zak Designs.
T: Department 56 Snowbabies She Kissed a Reindeer Hanging Ornament, 3.25 inch. Home & Kitchen. Home Dcor. Department 56.


assistant
Answer: O