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: Anker® Bluetooth Ultra-Slim Aluminum Keyboard Cover with Stand for iPad 4 / 3 / 2 (Black). Electronics. Computers & Accessories. HOOLN.
2nd: Anker Classic Portable Wireless Bluetooth Speaker, Powerful Sound with Enhanced Bass, 20 Hour Battery Life, and Built-in Mic, Works with iPhone, iPad,Nexus, Laptops and More...

Options:
A: VillaWare V41002 Moderno Series Stainless Steel Citrus Juicer. Home & Kitchen. Kitchen & Dining. Villaware.
B: RAM MOUNTS (RAP-119NB Ram-Tube 2008 Fishing Rod Holder (No Base). Sports & Outdoors. Sports & Fitness. RAM MOUNTS.
C: Levitating Bluetooth Speaker - Floating Wireless Speaker - SciFi Baseball Speaker by Wasserstein (Baseball). Electronics. Portable Audio & Video. Wasserstein.
D: Chef'n Palm Zester/Citrus Zester Grater with Stainless Steel Blades, Yellow. Home & Kitchen. Kitchen & Dining. Chef'n.
E: Andaz Press Burlap Lace Wedding Collection, Chocolate Drop Label Stickers Trio, 216-Pack, Fits Hershey's Kisses Party Favors. Home & Kitchen. Event & Party Supplies. Andaz...
F: Lamson 2.5 x 2.5 Server/Turner with Riveted POM Handle. Home & Kitchen. Kitchen & Dining. Lamson.
G: Thomson Elite Bicycle Seatpost. Sports & Outdoors. Outdoor Recreation. Thomson.
H: HOMCOM 16" Cube Faux Leather Tufted Ottoman Storage Footrest Seat - Black. Home & Kitchen. Furniture. HOMCOM.
I: GuangFa Professional Mini 8631 Color Random Butane Torch Ever Chef Creme Brulee Kitchen Cooking Windproof Refillable Gas Butane Steel Adjustable Flame 1300°C/2500°F Cigar Light BBQ...
J: Yankee Candle Company Girl Scout Thin Mints Large Jar Candle. Home & Kitchen. Home Dcor. Yankee Candle.
K: Coca Cola Style USB Flash Drive - Data Storage Device - 4GB - Color: Red - Key Ring Included. Electronics. Computers & Accessories. Coca-Cola.
L: Wasabi Power Battery (2-Pack) and Charger for JVC BN-VH105 and JVC GC-XA1, GC-XA2 ADIXXION Action Camera. Electronics. Camera & Photo. Wasabi Power.
M: CamKix BacPac Frame Mount for GoPro Hero 4 Black and Silver - USB, HDMI, and SD Slots Fully Accessible – Light and Compact Housing for...
N: Deluxe Low Profile U.S. NAVY Embroidered Adjustable Ball Cap.  Rothco.
O: Masione 4 PACK 50ft security camera video audio power cable wire cord cctv dvr surveillance system. Electronics. Accessories & Supplies. Masione.
P: Stanley Adventure Heritage Cooler 7 Quart. Sports & Outdoors. Outdoor Recreation. Stanley.
Q: Betty Crocker Turkey Lifter. Home & Kitchen. Kitchen & Dining. Betty Crocker.
R: Flying Fisherman SunBandit UV Protective Face Mask, Multifunctional Bandana, Wear Up to 12 Ways.  Flying Fisherman.
S: MOLLE Molded Waistbelt Desert Camo. Sports & Outdoors. Sports & Fitness. Rothco.
T: Men's Padded Bicycle Touring Underwear - Made in The USA. Sports & Outdoors. Outdoor Recreation. AERO|TECH|DESIGNS.


assistant
Answer: M