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: Umbrella, PLEMO Travel Umbrella Auto Open/Close Windproof Compact Umbrella. Sports & Outdoors. Sports & Fitness. Plemo.
2nd: Marcy Deluxe Foldable Utility Bench Gym Equipment - SB-10100. Sports & Outdoors. Sports & Fitness. Marcy.

Options:
A: Home Styles  The Aspen Collection Headboard, Full/Queen, Rustic Cherry/Black. Home & Kitchen. Furniture. Home Styles.
B: Eathtek Replacement CPU Cooling Fan For Asus G73 G73J G73JH G73JH-BST7 G53SW G73S KSB06105HB series. Electronics. Computers & Accessories. Eathtek.
C: Candle Warmers Etc. Pluggable Fragrance Warmer, Christmas Cottage. Home & Kitchen. Home Dcor. Candle Warmers Etc.
D: BMOUO 16.4Ft 5-Meter 50leds LED String Lights on Copper Wire LED Starry Décor Rope Lights AA Battery Powered Operated Lighting for Christmas Wedding Holiday and...
E: World War Supply M1907 LEATHER RIFLE SLING Dated 1942 M1 GARAND SPRINGFIELD Drum Dyed Leather. Sports & Outdoors. Sports & Fitness. World War Supply.
F: Department 56 Snowbabies Classics Friendship Hits Spot Figurines. Home & Kitchen. Home Dcor. Department 56.
G: SCOSCHE HY1604B 2001-06 Hyundai Select DIN w/Pocket Dash Kit. Electronics. Car & Vehicle Electronics. Scosche.
H: KB Gear JamCam 0.3MP Digital Camera, Silver. Electronics. Camera & Photo. KB Gear.
I: EcoGear FX Flashlight Holster (AHS-L1): Covered Flashlight Holder that Fits Most Large Size Flashlights Including EcoGear FX Model TK120X. Sports & Outdoors. Outdoor Recreation. EcoGear...
J: Conwork 2-Pack Stereo 3.5mm Female to 2 Male Gold Plated Headphone Mic Audio Y Splitter Extension Cable. Electronics. Accessories & Supplies. Conwork.
K: Cisco Rack Mounting Kit (RCKMNT-1RU=). Electronics. Accessories & Supplies. Cisco.
L: Baby Doll Cradle Waterproof Mattress Protector, 15" L x 33" W. Home & Kitchen. Bedding. Baby Doll.
M: Nest - Sir Elton John's Fireside Classic Candle  Net Wt.8.1 Oz. 230g. Home & Kitchen. Home Dcor. NEST Fragrances.
N: Leupold Dual Dovetail Two-Piece Remington 700 RVF Matte Black Base. Sports & Outdoors. Sports & Fitness. Leupold.
O: Cerwin-Vega SL-45C Quad 5 1/4" Center Channel Speaker. Electronics. Home Audio. Cerwin-Vega.
P: Olympic Weight Set With Bar by Golds Gym. Sports & Outdoors. Sports & Fitness. Golds Gym.
Q: Vitamix Accelerator/Tamper Tool Pack of 2. Home & Kitchen. Kitchen & Dining. Vitamix.
R: Lekue Spanish Omelet/Frittata Maker, Model # 3402800R10U008. Home & Kitchen. Kitchen & Dining. Lekue.
S: Rabbit Electra Corkscrew (Red). Home & Kitchen. Kitchen & Dining. Rabbit.
T: Pearl Izumi Women's Elite Inrcool Limited Tri Single. Sports & Outdoors. Sports & Fitness. Pearl iZUMi.


assistant
Answer: I