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: URBAN ARMOR GEAR Case for iPhone 4/4S, Black. Electronics. Computers & Accessories. Novo Icon.
2nd: Anker Wireless Mouse, Ergonomic USB 2.4G Wireless Vertical Mouse with 3 Adjustable DPI Levels 800/1200 / 1600 and Side Controls, Black. Electronics. Computers & Accessories...

Options:
A: GE Ergonomic Design Optical Mouse for Both Hands, Black (98529). Electronics. Computers & Accessories. GE.
B: Gelindo Hunting Pocket Knife, Black - Made of Stainless Steel, Compact Skeleton Design with Safety Fold-Lock Mechanism - Unlockable Folding Sharp Carbon Blade - Highly...
C: Fieldline Pro Series Accessory Pouch, Large. Sports & Outdoors. Sports & Fitness. Fieldline.
D: 51" Football Goal Post Inflatable Cooler. Home & Kitchen. Event & Party Supplies. Unique.
E: Ivation Car Dash Cam 32GB 1080p HD Video & Audio Recorder, Dashcam with Wide Angle Lens, Motion Detection, Low Light, Dashboard Camera for Car &...
F: Toshiba Satellite A135-S4467 15.4" Widescreen Laptop (Intel Core 2 Duo Processor T5200, 1 GB RAM, 160 GB Hard Drive, SuperMulti DVD Drive, Vista Premium). Electronics...
G: Store Indya Set of 2 Hand Woven 100% Cotton Pillow Covers for Throw Pillows Square Cushion Covers for Sofa Home Bedding Décor. (Design 13). Home...
H: Gamehide HECS Hoodie. Sports & Outdoors. Sports & Fitness. Gamehide.
I: Smith Optics Forefront All Mountain Bike Helmet. Sports & Outdoors. Outdoor Recreation. Smith Optics.
J: Ambesonne Snowy Forest HolidayTapestry Wall Hanging Wall Tapestry Living Room/Bedroom/Dorm Decor, White Black Blue, 60 W x 80 L Inches. Home & Kitchen. Home Dcor...
K: eHemco Solid Hard Wood Kids Chair, Set of 2 (Dark Oak). Home & Kitchen. Furniture. eHemco.
L: Chromakey Green Muslin Screen 9x15 Inches. Electronics. Camera & Photo. Britek.
M: Barracuda Ear Plugs. Sports & Outdoors. Sports & Fitness. Barracuda.
N: Milemont Best Price Mattress 10" Independent Operating Coil Euro Top Spring Mattress, Queen, White. Home & Kitchen. Furniture. Milemont.
O: SanDisk Sansa c150 2 GB MP3 Player (Black). Electronics. Portable Audio & Video. SanDisk.
P: ManAmongMen Whiskey Bullets, Bullet Shaped Whiskey Stones, Chill Whiskey Like A Man (4-Pack). Home & Kitchen. Kitchen & Dining. VinoVivo.
Q: Bose 20ft Extension Cable for Bose Headphones. Electronics. Accessories & Supplies. Bose.
R: OURLINK 600Mbps mini 802.11ac Dual Band 2.4GHz/5GHz Wireless Network Adapter USB WI-FI Dongle Adapter with 5dBi Antenna Support WIN VISTA,WIN 7,WIN 8.1, WIN 10,MAC OS...
S: West Bend 85156 6-Quart Round Crockery Cooker, Stainless Steel/Black (Discontinued by Manufacturer). Home & Kitchen. Kitchen & Dining. West Bend.
T: Mud Pie Anchor Paper Towel Holder or Tissue Holder. Home & Kitchen. Bath. Mud Pie.


assistant
Answer: R