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 items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
Purchase History:
1st: MouKou Amazon Fire HD 7 Screen Protector Glass Tempered Screen Protectors for Amazon New Fire 7'' Tablet 5th Generation (2015 New Sep Release) Lifetime Warranty...
2nd: Pro Optic Complete Lens & Glasses Cleaning Kit with Microfiber Lens Cleaning Cloth, Fine Brush, Wipes, Cleaning Spray, Air Blower, Carrying Case for Canon, Nikon,...
3rd: Micro USB Cable, Eversame 5-Pack 6Ft 2M Nylon Braided Micro USB 2.0 Sync Charging Cord for Samsung Galaxy Note 5/S6 Edge Plus, HTC One M8,...
4th: Ailun Screen Protector Compatible with Fire 7[7inch](5th Generation-2015 Release),Tempered Glass,9H Hardness,2.5D Edge,Ultra Clear,Anti-Scratch,Case Friendly-Siania Retail Package. Electronics. Computers & Accessories. AILUN.

Options:
A: Targus USB 3.0 SuperSpeed Dual Video Adapter (ACA039US). Electronics. Accessories & Supplies. Targus.
B: Sync and Charge USB Cable for Apple iPhone 4 Hot Pink. Electronics. Computers & Accessories. Apple.
C: Put a Pig On Your Projectile With Non Halal PigEase Dry Gun and Weapon Lubricant with Molybdenum Disulfide and Real Pig Enzymes. Sports & Outdoors...
D: Black Diamond Big Air Package (Belay Device plus Locking Biner). Sports & Outdoors. Outdoor Recreation. Black Diamond.
E: Sabrent USB Night Vision Webcam (WCM-6LNV). Electronics. Computers & Accessories. Sabrent.
F: Monocular Telescope 12x50 High Power Waterproof Monocular Scope with Phone Mount & Tripod Monocular Compact Fogproof Shockproof Scope BAK4 Prism FMC Monoculars for Adults Hunting...
G: Rosewill Anti Static Wrist Strap Band with Grounding Wire, ESD Strap with Alligator Clip RTK-002 ESD Wrist Band with Detachable Extra Long Coiled Cord. Electronics...
H: Marathon Housewares KW200012GR Premium Silicone Bundt Pan, Green. Home & Kitchen. Kitchen & Dining. New.
I: Samsung DVD-R155 Tunerless DVD Recorder. Electronics. Television & Video. Samsung.
J: Fancy Collection 3 Pc Bedspread Bed Cover White Green Purple Floral (King). Home & Kitchen. Bedding. Fancy Linen.
K: Sougayilang Outdoor Sports Fishing Tackle Waist Bag Fishing Accessories Case (Gray). Sports & Outdoors. Sports & Fitness. Sougayilang.
L: Nikon Coolpix P900 Digital Camera Memory Card 64GB Secure Digital Class 10 Extreme Capacity (SDXC) Memory Card. Electronics. Computers & Accessories. Transcend.
M: Embroidered Fireplace Mantel Scarf with White Daisy on Brown Linen and Cut Work 19" x 90". Home & Kitchen. Heating, Cooling & Air Quality. Linens,...
N: WinCraft NFL Green Bay Packers Sign, 4.5 x 17-Inch. Sports & Outdoors. Fan Shop. WinCraft.
O: Wilton UltraGold 8 Inch Square Pan. Home & Kitchen. Kitchen & Dining. Wilton.
P: CowboyStudio 33in White Satin Umbrella with Reflective Silver Backing and Removable Black Cover. Electronics. Camera & Photo. CowboyStudio.
Q: Butterfly 4-Jar Emerald 750 Watt Mixer Grinder, 110-volt. Home & Kitchen. Kitchen & Dining. Butterfly.
R: iCarez [Tempered Glass] Screen Protector for Amazon Fire HD Kids / Fire 7, 7" (5th Generation 2015) Easy Install with Lifetime Replacement Warranty - 1...
S: Mount Pros Low Profile Single Arm Articulating LED LCD Plasma Tilt Flat Swing Wall Mount for 32-60 Inch TV for up to VESA 740X500. Electronics...
T: Fat Daddio's Low Profile Cake Decorating Turntable, 12 Inch x 2 Inch. Home & Kitchen. Kitchen & Dining. Fat Daddios.


assistant
Answer: R