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: Clear 12 x 12 x 6 NFL Stadium Approved Tote Bag with 35" Handles - Purple Trim. Sports & Outdoors. Fan Shop.
2nd: BYER OF MAINE TriLite Cot, Lightweight, Easy Setup, Packs Away into Travel Bag. Sports & Outdoors. Outdoor Recreation. BYER OF MAINE.
3rd: Coleman Stratus Adult Fleece Sleeping Bag Liner. Sports & Outdoors. Outdoor Recreation. Coleman.
4th: Multi-Color 3 Pack Sports Headbands with NO SLIP GRIP Technology - Perfect for Athletes or Great Accessory for any Fashion Style - Super Comfortable. Sports...

Options:
A: DuraHome Food Storage Containers with Lids 8oz, 16oz, 32oz Freezer Deli Cups Combo Pack, 44 Sets BPA-Free Leakproof Round Clear Takeout Container Meal Prep Microwavable...
B: Body Champ Fitness Multifunction Power Tower/Multi station for Home Office Gym Dip Stands Pull Up VKR/Space Saving PT620. Sports & Outdoors. Sports & Fitness. Body...
C: Perixx PERIBOARD-512II W, Ergonomic Split Keyboard - White - Natural Ergonomic Design - Wired USB Interface - Recommended with Repetitive Stress Injuries RSI User. Electronics...
D: Talisman Designs  Beechwood Salad Serving Set, Nature Design , Laser Etched Fork and Spoon, 12-inches Long. Home & Kitchen. Kitchen & Dining. Talisman Designs.
E: Whirlpool 10,000 BTU Portable Air Conditioner with Remote Control, ACP102GPW1. Home & Kitchen. Heating, Cooling & Air Quality. Whirlpool.
F: Sensei Cap Keeper Plus Lens Cap Holder. Electronics. Camera & Photo. Sensei.
G: Kiefer Water Workout Dumbbells - Pair. Sports & Outdoors. Sports & Fitness. Kiefer.
H: Monoprice 107330 2-Piece Wall Plate with 4-Inch Built-In Flexible Hi-Speed HDMI Cable with Ethernet, Single-Port, White. Electronics. Accessories & Supplies. Monoprice.
I: Mini USB-Powered Fridge Cooler for Beverage Drink Cans in Cubicle and Home office (Red). Electronics. Portable Audio & Video. Dream Cheeky.
J: NFL 2016 Officially Licensed Fantasy Football Draft Kit.  UPI Marketing, Inc.
K: Ruger SR22 Light Weight Black Right Hand Inside The Waistband Concealed Carry Gun Holster. Sports & Outdoors. Sports & Fitness. Pro Carry.
L: Lunchskins 3pk Reusable Sandwich Bags: Apple Orange Pear. Home & Kitchen. Kitchen & Dining. LunchSkins.
M: Fox Run 4604 Toaster Oven Tray, Tin-Plated Steel, 7-Inch x 10-Inch. Home & Kitchen. Kitchen & Dining. Fox Run.
N: Oster CKSTGRFM-1018 10 by 18-1/2-Inch Griddle with Warming Tray, Black. Home & Kitchen. Kitchen & Dining. Oster.
O: Winegard HD 7695P High Definition VHF/UHF HD769 Series Antenna (HD7695P). Electronics. Accessories & Supplies. Winegard.
P: Lawrence Frames Faux Burl 8 by 10-Inch Picture Frame, Natural. Home & Kitchen. Home Dcor. Lawrence Frames.
Q: Snowflake Pan. Home & Kitchen. Kitchen & Dining. Heartland Gourmet, LLC.
R: Roller Derby Girls' FIRESTAR Roller Skates. Sports & Outdoors. Outdoor Recreation. Roller Derby.
S: Acer C710-2833 11.6-Inch Chromebook - Iron Gray (16GB SSD). Electronics. Computers & Accessories. Acer.
T: Stellar Thermal Padded Tea Cosy Cozie Cozy in Red STE10R. Home & Kitchen. Kitchen & Dining. Stellar.


assistant
Answer: R