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: Insten Micro USB OTG to USB 2.0 Adapter Cable Compatible With Samsung Galaxy S7/S6/S6 Edge/Note 4/3. Electronics. Computers & Accessories. INSTEN.
2nd: Microsoft RVF-00052 Arc Touch Mouse. Electronics. Computers & Accessories. Microsoft.

Options:
A: Orion 15959 Pro Pluck Foam Waterproof Accessory Case (Blue). Electronics. Camera & Photo. ORION.
B: Fast Dealz Slotted Polymer Picatinny Rail Set For MOE Handguards. Sports & Outdoors. Sports & Fitness.
C: VicTsing Wired 6400 DPI Programmable Laser Gaming Mouse for PC, Computer, Laptop, MacBook, 6 Programmable Buttons, 5 DPI Adjustable Mice, Black. Electronics. Computers & Accessories...
D: Seagate ST380815AS Barracuda 7200.10 SATA 3.0Gb/s 80-GB OEM Hard Drive. Electronics. Computers & Accessories. Seagate.
E: PUR PPT710WAMV1 PPT710W Pitcher, 7 Cups, Clear. Home & Kitchen. Kitchen & Dining. PUR.
F: VonHaus Turbo Cleaning Brush for VonHaus 2 in 1 Upright and Handheld Stick Vacuum 07/200US. Home & Kitchen. Vacuums & Floor Care. VonHaus.
G: Vacu Vin Wine Bottle Coaster/Surface Protector - Stainless Steel. Home & Kitchen. Kitchen & Dining. Vacu Vin.
H: Champion Handthrower Clay Target. Sports & Outdoors. Sports & Fitness. Champion Traps and Targets.
I: Uncle Henry 171UH Large Pro Hunter Rat Tail Tang Fixed Blade Knife. Sports & Outdoors. Sports & Fitness. Uncle Henry.
J: THE REPORTER Chamberlain ROI2 Wireless Indoor/Outdoor Intercom Units. Electronics. Security & Surveillance. The Reporter.
K: Kanto S2 Desktop Speaker Stands for Small Speakers, White. Home & Kitchen. Furniture. Kanto.
L: (Pack of 4) Lock&Lock Food Container, Tall, HPL808, 3.5-Cup, 29-Oz. Home & Kitchen. Kitchen & Dining. LockandLock.
M: Mason Jar Floral Recipe Cards (Set of 50) 4 x 6 Double Sided Cards. Home & Kitchen. Kitchen & Dining. madison & hill.
N: MisterCopper Thickest Premier Engraved Solid Copper Turkish Greek Arabic Coffee Pot Cezve Ibrik Briki with Wooden Handle, Thick 1 mm (Large - 11 Oz). Home...
O: Vieworld Suction Five Toothbrush Holder with Cover, Plastic, Blue and Clear. Home & Kitchen. Bath. Vieworld.
P: Fotodiox Lens Mount Adapter - Olympus Zuiko (OM) 35mm SLR Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body . Electronics. Camera & Photo...
Q: ASU Garden Flag and Yard Banner. Sports & Outdoors. Fan Shop. College Flags and Banners Co.
R: Table-Mate Folding Table (White). Electronics. Computers & Accessories. Allstar Innovations.
S: Guard Dog Security Hard Case Pepper Spray Keychain w/ Belt Clip, Red Hot Self Defense Spray with UV Dye. Sports & Outdoors. Sports & Fitness...
T: #1 Long Hair Silicone Swim Cap - Perfect To Keep Hair Dry - Suitable For Girls With Long Hair - Unisex Women and Men -...


assistant
Answer: R