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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Contigo AUTOSPOUT Straw Striker Kids Water Bottle, 14oz, Cherry Blossom/Chartreuse/Amethyst. Sports & Outdoors. Sports & Fitness. Contigo.
2nd: tasc Performance Women's Nola Crop. Sports & Outdoors. Sports & Fitness. tasc Performance.

Options:
A: Ritz-Bale Women's Triangle Cup Bikini Set. Sports & Outdoors. Sports & Fitness. Ritz-Bale.
B: Contigo AUTOSPOUT. Sports & Outdoors. Sports & Fitness. Contigo.
C: Allen Creede Handgun Shooting Gloves, Touchscreen Fingers, Black/Gray. Sports & Outdoors. Sports & Fitness. Allen Company.
D: Emgreat Carbon Fibre Cycling Bike Bicycle Drink Water Bottle Holder Cage Rack for MTB. Sports & Outdoors. Outdoor Recreation. Emgreat.
E: MSR Groundhog Tent Stake. Sports & Outdoors. Outdoor Recreation. MSR.
F: Belkin F8Z441-P TuneBase FM with Hands-Free. Electronics. Portable Audio & Video. Belkin.
G: MOUNTAINTOP 30L Questa Hiking Daypack. Sports & Outdoors. Outdoor Recreation. MOUNTAINTOP.
H: Vivarte Electric Rice Cooker (3 cups) - VR-003. Home & Kitchen. Kitchen & Dining. Vivarte.
I: Mark My Words 66124 60th Birthday 20-Ounce Mug, Pavilion Gift, 4-3/4-Inch. Home & Kitchen. Kitchen & Dining. Mark My Words.
J: Verbatim 96664 Easy Board USB Keyboard with Vista Keys (Black). Electronics. Computers & Accessories. Verbatim.
K: Blackberry PlayBook Purple Silicone Skin Case / Executive Protector Skin Cover. Electronics. Computers & Accessories. CellularFactory.
L: Decorative Light up 6" RED Glass Rose (Red). Home & Kitchen. Home Dcor. Regal.
M: GinsonWare Chromed Over the Door Towel Rack. 22.5" W X 4" D X 26" H. Home & Kitchen. Bath. GinsonWare.
N: Christmas House Value Tinsel Tree Skirt - 18 In. - 1/pkg. by Christmas House. Home & Kitchen. Seasonal Dcor. Tree.
O: 3L Hydration Bladder & Insulated Sleeve - by Crystal Creek - Easy Cleaning and Filling Water Reservoir. BPA Free Tastefree FDA Approved | Keep Water...
P: Target Marketing Systems Gabriella Round Pub Table with Tempered Glass, Black. Home & Kitchen. Furniture. Target Marketing Systems.
Q: Timex Women's T5K7029J Ironman Sleek 50-Lap Pastels Mid-Size Pink Resin Strap Watch. Sports & Outdoors. Outdoor Recreation. Timex.
R: PFIZER Equine Animal Health 212372 11.3gm Quest Equine Gel. Sports & Outdoors. Sports & Fitness. PFIZER EQUINE PRODUCTS.
S: Captain O-Ring - Pentek 151120 Replacement Water Filter Housing ORing (3 Pack). Home & Kitchen. Kitchen & Dining. Captain O-Ring LLC.
T: Griffin iTrip Mini FM Transmitter for iPod Mini. Electronics. Portable Audio & Video. Griffin Technology.


assistant
Answer: B