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: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
Purchase History:
1st: Apple MacBook Pro 15" Core i7 2.8GHz Retina (MGXG2LL/A), 16GB RAM, 512GB Solid State Drive (Refurbished). Electronics. Computers & Accessories. Apple.
2nd: iPearl mCover Hard Shell Case for 13-inch Model A1425 / A1502 MacBook Pro (with 13.3-inch Retina Display) (Blue). Electronics. Computers & Accessories. mCover.
3rd: MOSISO Plastic Hard Shell Case Cover Only Compatible MacBook Pro (W/O USB-C) Retina 13 Inch (A1502/A1425) (W/O CD-ROM) Release 2015/2014/2013/end 2012, Black. Electronics. Computers &...
4th: Case Logic LAPS-113Pink LAPS-113 13.3-Inch Laptop/MacBook Air/MacBook Pro Retina Display Sleeve (Pink). Electronics. Computers & Accessories. Case Logic.
5th: Skullcandy Smokin Buds Micd, Black/Lurker, One-Size. Electronics. Headphones. Skullcandy.
6th: Computer Dust Cover, SZBRO Monitor +Keyboard+CPU Tower Desktop 3 Pieces Set PC dust proof Computer covers Case (19'' Monitor Set). Electronics. Computers & Accessories. SZBRO.
7th: ChargerCity Hippo Series NonSlip Dashboard Beanbag Friction Mount for Garmin Nuvi, TomTom, Via GO and other 4-6 Inch GPS Devices and Smartphones. Electronics. GPS, Finders...

Options:
A: KitchenAid KCM11WF-3PACK Water Filter Pod, 9 total filters. Home & Kitchen. Kitchen & Dining. KitchenAid.
B: Plantronics HW261N SupraPlus Wideband Binaural Headset. Electronics. Accessories & Supplies. Plantronics.
C: Withstand  by Michael de Guzman, 16 by 24-Inch Canvas Wall Art. Home & Kitchen. Wall Art. Trademark Fine Art.
D: Swarovski Cheshire Cat. Home & Kitchen. Home Dcor. Swarovski.
E: Windowpix WF105-12x36 12x36 Decorative Static Cling Window Film. Home & Kitchen. Home Dcor. Windowpix.
F: Palais Dinnerware Portable Cake Caddy Storage Container Server with Handle - Assorted Colors - 14 Inch Wide. Home & Kitchen. Kitchen & Dining. Palais Dinnerware.
G: Go Bright Rechargeable 1200 Lumen Rechargeable Road, Mountain Bike Headlight, New 6400 mAh Battery-3 Plus Hours on High Beam with Free Taillight. Sports & Outdoors...
H: 6PC 5.5" Throwing Knife Set With Pouch - BLACK WIDOW SPIDER. Sports & Outdoors. Sports & Fitness. Aeroblades.
I: Acme Furniture 59388 Sharan Rocking Chair, Antique White. Home & Kitchen. Furniture. Acme Furniture.
J: Opinel No12 Beechwood Handle Stainless Steel Locking Folding Saw, 6 3/8 Inch Blade. Sports & Outdoors. Sports & Fitness. Opinel.
K: OMyTea 100% Handmade Chinese / Japanese Vintage Kungfu Gongfu Tea Set - Porcelain Teapot & Teacups & Bamboo Tea Tray & Tea Mat with a...
L: Luxebell Ball Joint Mount, Aluminium Swivel Arm Mount with Wrench for GoPro Hero 6 5 4 3+ 3 2. Electronics. Camera & Photo. Luxebell.
M: PTC 25ft PREMIUM GOLD Series WHITE HDMI 1.4 CERTIFIED 24AWG CL2 rated cable for Blu-Ray, Cable and satellite boxes, X-box, PS3, HD-DVR... - LIFETIME Warranty...
N: Buck n Bear Custom Handmade Fixed Blade Damascus Hunting Knife with Leather Sheath - Drop Point (Utility) (Olivewood/G10) Handle. Sports & Outdoors. Sports & Fitness...
O: Avanti Linens Hampton Shells Bath Towel, Beige. Home & Kitchen. Bath. Avanti Linens.
P: Set of 5 Christmas Pillow Case Variety Pack  Burlap Cushion Covers Pillow Case. Home & Kitchen. Bedding. OLIA DESIGN.
Q: Mybecca 20 X 20 Pillow Insert Sham Square Form Polyester Premium Hypoallergenic Stuffer, Standard/White - Made in USA. Home & Kitchen. Bedding. Mybecca.
R: GE Deluxe Wireless Door Alarm, 120 Decibel, Alarm or Entry Chime, Indoor Personal Security, with Keypad Activation, 45117. Electronics. Security & Surveillance. GE.
S: Berkley Mini Line Spooler. Sports & Outdoors. Sports & Fitness. Berkley.
T: Williams Firesights - Taurus PT111, PT140, 24-7 Pro Dovetail, Green/Red. Sports & Outdoors. Sports & Fitness. Williams.


assistant
Answer: R