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: Muay Thai MMA Ankle Support Wraps (Pair). Sports & Outdoors. Sports & Fitness. Meister MMA.
2nd: adidas Copa Zone Cushion Sock. Sports & Outdoors. Fan Shop. adidas.
3rd: adidas Copa Zone Cushion Sock . Sports & Outdoors. Fan Shop. adidas.
4th: Nike Mercurial Lite Shinguard. Sports & Outdoors. Sports & Fitness. Nike.

Options:
A: iTAC2 Stick It Level 4 (Extra Strength) Total Absolute Control Pole Dance Fitness Sports Grip Roll On Stick 12gm. Sports & Outdoors. Sports & Fitness...
B: TMS 5 Piece Virginia Dining Set, White/Natural. Home & Kitchen. Furniture. Target Marketing Systems.
C: Ogio Unisex Axle Backpack. Electronics. Computers & Accessories. OGIO.
D: A di Alessi Diabolix Bottle Opener, Blue. Home & Kitchen. Kitchen & Dining. Alessi.
E: Legare 48-Inch Straight Desk, Wheat. Home & Kitchen. Furniture. Legar.
F: 20 Lakes Woodland Hunter Camo Comforter, Sheet,Pillowcase Set (Full, Forest/Black). Home & Kitchen. Bedding. 20 Lakes.
G: Monstercube Armor Portable Speaker with Bluetooth , 5W Speaker Driver / Hi-Def Bass / Waterproof / Dustproof / Shockproof , Speaker used for Shower, Bathroom,...
H: Tecsun PL-505 Digital PLL Portable AM/FM Shortwave Radio with DSP, Black. Electronics. Portable Audio & Video. Tecsun.
I: IK Multimedia iLoud 40W Portable Personal Speaker. Electronics. Portable Audio & Video. IK Multimedia.
J: iTouchless UV Toothbrush Holder/Sanitizer. Home & Kitchen. Bath. iTouchless.
K: Plastic Food Storage Containers with Lids - Restaurant Deli Cups / Great for Slime, Party Supplies, Meal Prep and Portion Control - Leakproof and Microwave...
L: HON SVMU1ACLCO90 Solve Series Upholstered Back Task Chair, Midnight. Home & Kitchen. Furniture. HON.
M: Attitude Aprons Fully Adjustable Kiss The Cook and Bring Him A Beer Apron-Black. Home & Kitchen. Kitchen & Dining. Attitude Aprons.
N: PAPAGO GS200-US GoSafe 200 Full HD Dash Cam - Car DVR Dashboard Camera Video Recorder with Superior Night Vision, Parking Monitor, G-Sensor ,2.4" Screen. Electronics...
O: Askidel Univearsal Mirror Mount. Electronics. Car & Vehicle Electronics. Askidel.
P: Estilo Utensil Holder Chrome Finish. Home & Kitchen. Kitchen & Dining. Estilo.
Q: SilverStone Simply Baking Cookie Pan Set. Home & Kitchen. Kitchen & Dining. SilverStone.
R: Nike Mercurial Lite Shinguard. Sports & Outdoors. Sports & Fitness. Nike.
S: Velo Orange Mojave Water Bottle Cage. Sports & Outdoors. Outdoor Recreation. Velo Orange.
T: NETGEAR Certified Refurbished CMD31T-100NAR (4x4) Cable Modem - for Comcast, Cox, Cablevision. Electronics. Computers & Accessories. NETGEAR.


assistant
Answer: R