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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: VIZIO S5451w-C2 54-Inch 5.1 Channel Sound Bar with Subwoofer and Surrounds (2014 Model). Electronics. Home Audio. VIZIO.
2nd: Apple iPod nano 16GB Silver (7th Generation) with Generic Earpods and USB Data Cable Packaged In Non Retail White Box. Electronics. Portable Audio & Video...

Options:
A: Thermos Funtainer 12 Ounce Warm Beverage Bottle, Batman. Home & Kitchen. Kitchen & Dining. Thermos.
B: Honeycase Extreme-Duty Military Transformer Hybrid Shockproof & Drop Resistance Anti-slip Soft Silicone Case for iPad Mini 1/2/3. Electronics. Computers & Accessories. hoco.
C: Fintie - Rotating PU Leather Cover Case for Apple iPad Air 5 (5th Gen) - Leopard Rainbow - Leopard Rainbow. Electronics. Computers & Accessories. Fintie.
D: Charles Viancin Green Silicone Lilypad Wine Cork. Home & Kitchen. Kitchen & Dining. Charles Viancin.
E: Cubeternet Premium USB Powered Metal Cooler Pad with 3 Built-in Fans for Laptop Computer. Electronics. Computers & Accessories. Cubeternet.
F: ORICO Desktop Charging Station Power Strip with USB, 2 AC Outlets, 5 USB Ports, Device Stand and Built-in 5 Ft Cord. Electronics. Accessories & Supplies...
G: King Kooker CS42 Portable Propane 54,000-BTU Triple-Burner Outdoor Camp Stove. Sports & Outdoors. Outdoor Recreation. King Kooker.
H: Tamrac 5329 Folding Filter Wallet. Holds Up To 8 Filters Up To 82mm In Size. Electronics. Camera & Photo. Tamrac.
I: Rothco Ranger Flint & Striker Fire Starter. Sports & Outdoors. Outdoor Recreation. Rothco.
J: I love you Like A Hobbit Loves Second Breakfast 11 Ounces Coffee Mug Willcallyou. Home & Kitchen. Kitchen & Dining. Willcallyou.
K: Creative Bath Products Zsa Zsa Soap Dish. Home & Kitchen. Bath. Creative Bath.
L: Abu Garcia Neoprene Low Profile Fishing Reel Cover. Sports & Outdoors. Sports & Fitness. Berkley.
M: Dish Network IR-to-UHF Pro Remote Control Upgrade Kit. Electronics. Accessories & Supplies. Pace International.
N: BESTEK Ultra Compact Slim Profile Wireless Bluetooth Keyboard for Apple iPad & iPhone Series, iMac/Mac Book, Samsung, Nokia and Blackberry Phones and Tablets (White). Electronics...
O: Hot Chillys Men's Mec Boot Tec Base Layer. Sports & Outdoors. Outdoor Recreation. Hot Chillys.
P: Sunny Health & Fitness SF-B901B Belt Drive Indoor Cycling Bike. Sports & Outdoors. Sports & Fitness. Sunny Health & Fitness.
Q: Royal Albert New Country Roses Tea Party Mixed Patterns Covered Butter Dish, 7.2", Multicolor. Home & Kitchen. Kitchen & Dining. Royal Albert.
R: DreamHome 18" X 18" Solid Polyester Velvet Decorative Euro Pillow Cover/Sham - Purple. Home & Kitchen. Bedding. DreamHome.
S: Flexion Shock-Dispersion Technology Bumper Case with Ultra Clear Back Panel for iPhone 6 Plus  - Crystal Clear. Sports & Outdoors. Fan Shop. Flexion.
T: Bialetti 06907 6-Cup Espresso Coffee Maker, Blue. Home & Kitchen. Kitchen & Dining. Bialetti.


assistant
Answer: B