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 the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
Purchase History:
1st: Rocketfish RF-ICAP14 Advanced Series Keyboard Capsule for iPad 2 and iPad (3rd Generation). Electronics. Computers & Accessories. Rocketfish.
2nd: Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad. Electronics. Computers & Accessories. Logitech.
3rd: BodyGuardz - Carbon Fiber Armor, Protective Skin for Apple MacBook Pro 15-Inch (2012-Present, White). Electronics. Computers & Accessories. BodyGuardz.
4th: Kuzy BLACK LEATHER Hard Case for Older MacBook Pro 15.4" with Retina Display Model: A1398 Shell Cover 15-Inch Leatherette - BLACK. Electronics. Computers & Accessories...
5th: UGREEN Mini DisplayPort to HDMI VGA Adapter Converter 4K Thunderbolt 2.0 Compatible for Apple Mac Book Air MacBook Pro to VGA HDMI, Surface Pro 1...
6th: iPad Air and New iPad 2017 9.7" Keyboard, Snugg [Black] Wireless Bluetooth Keyboard Case Cover 360° degree Rotatable Keyboard for Apple iPad Air and New...
7th: Incipio ClamCase Pro for iPad Air 2, ClamCase Pro Bluetooth Keyboard Case [100 Hour Playtime] for iPad Air 2 - Smoke/Aluminum. Electronics. Computers & Accessories...

Options:
A: Duxtop SSIB-17 Professional 17 piece Stainless Steel Induction Cookware Set, Impact-bonded Technology. Home & Kitchen. Kitchen & Dining. Duxtop.
B: Legacy Decor 4 29" Dark Espresso Wood Bar Stools with Bonded Faux Leather Seat. Home & Kitchen. Furniture. Legacy Decor.
C: EACHSHOT Handheld LED516AS Bi-Color Fill-In 516 PCS LED bulbs Lighting for Video Photo DSLR With Build-in 5200mAh Battery. Electronics. Camera & Photo. EACHSHOT.
D: Fintie Samsung Tab S2 9.7 Case - Premium PU Leather 360 Degree Rotating Cover Swivel Stand Auto Sleep/Wake for Galaxy Tab S2 9.7 Tablet, Navy...
E: LEE PRECISION 429-200-Rf Double Cavity Mold . Sports & Outdoors. Sports & Fitness. LEE PRECISION.
F: Talking Tables Tea Party Vintage Floral Paper Plates Large | Truly Scrumptious | Also Great For Birthday Party, Baby Shower, Wedding And Anniversary | 4...
G: Royal Dirt Devil Filter, F77 Vibe Stick Vacuum. Home & Kitchen. Vacuums & Floor Care. Royal Dirt Devil.
H: instecho Sunrise Alarm Clock, Digital Clock, Wake Up Light with 6 Nature Sounds, FM Radio and Touch Control (White). Electronics. Home Audio. instecho.
I: Safco Products 3397BL Vue Intensive-Use Task Chair, Black. Home & Kitchen. Furniture. Safco Products.
J: Pro Chef Kitchen Tools Stainless Steel Knife Sharpener - 2 Stage Diamond Hone Twin Sharpening System Commercial Professional Restaurant Prime Grade Quality. Home & Kitchen...
K: Corona Salt and Pepper Shaker Set. Home & Kitchen. Kitchen & Dining. Corona.
L: Black Caps- 144 Count. Home & Kitchen. Kitchen & Dining. LD Carlson.
M: Targus Executive Stylus + Pen for Apple iPad, iPad mini, iPhone, iPod, and Tablets, Gun Metal Gray (AMM05TBUS). Electronics. Computers & Accessories. Targus.
N: Insten Insten All Channel FM Transmitter with USB Port for Apple iPhone 5 - Retail Packaging - Black. Electronics. Portable Audio & Video. INSTEN.
O: PBJ Essentials Case for GoPro Hero4 - Large (12.6"x8.7"x2.8") premium black weatherproof Shockproof carbon fiber coated carrying case - Non-slip rubber Handle & Shoulder strap...
P: MyGift Oceanic Coastal White Sandy Beach Style Starfish, Seagull & Seashells Wood 3 Metal Coat Hooks Wall Rack. Home & Kitchen. Storage & Organization. MyGift.
Q: Long Thumbscrews for GoPro. Electronics. Camera & Photo. EverestMounts.
R: TopCase BLACK Keyboard Silicone Skin Cover with palm rest area for Macbook Pro 13-Inch A1278 including TopCase Mouse Pad. Electronics. Computers & Accessories. TOP CASE.
S: Scosche FD23B 2003-Up Select Ford Harness. Electronics. Car & Vehicle Electronics. Scosche.
T: Heavy-duty Soft Micro Suede Solid Chocolate Brown Futon Cover Slipcover Full Size. Home & Kitchen. Home Dcor. Chezmoi Collection.


assistant
Answer: M