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: Suisse Sport Adventurer Sleeping Bag. Sports & Outdoors. Outdoor Recreation. Suisse Sport.
2nd: Deda Elementi Mistral Perforated Synthetic Leather Road Bicycle Handlebar Tape. Sports & Outdoors. Outdoor Recreation. Deda.

Options:
A: OUMAX T1S wirless Bluetooth Activity/Fitness Tracker with sleep monitor-Total Works for iPhone6,6Plus,5s,5c,Samsung Galaxy S5,S4,S3,Note2 or newer. Sports & Outdoors. Sports & Fitness. OUMAX.
B: Stripes White 600 Thread Count Cal king Un-attached Waterbed Sheet set 100% Cotton 4pc Sheet set deep pocket By sheetsnthings. Home & Kitchen. Bedding. sheetsnthings.
C: ViewSonic TD2240 22-Inch Screen LCD Monitor. Electronics. Computers & Accessories. ViewSonic.
D: Downright Damask Stripe Queen 400 Thread Count Pillow Protector. Home & Kitchen. Bedding. Downright.
E: MAYTEX Mills Chadwell Fabric Shower Curtain, Purple. Home & Kitchen. Bath. MAYTEX.
F: Under Armour Men's Twisted Crew Socks (3 Pack). Sports & Outdoors. Sports & Fitness. Under Armour.
G: Asus Transformer TF700 - Drop Tech - Ruggedized Case - Black-Black. Electronics. Computers & Accessories. Gumdrop Cases.
H: Old Moscow Mule Copper Mugs - 16oz Solid Copper Hammered Cups - Gift Set Bundle of 4. Home & Kitchen. Kitchen & Dining. Old Moscow.
I: Chicago Cutlery Metropolitan 3-1/2-Inch Paring Knife. Home & Kitchen. Kitchen & Dining. Chicago Cutlery.
J: MyDigitalSSD 64GB Super Cache 2 25mm SATA III (6G) mSATA Mini (Half Size) SSD with FNet HybriDisk Software (64GB). Electronics. Computers & Accessories. MyDigitalSSD.
K: Sunlite Bicycle Loose Ball Bearings 5/32" Bag Of 144. Sports & Outdoors. Outdoor Recreation. Sunlite.
L: E-PRANCE New Arrival B47fs Super Hd 1296p Car Dvr Camera GPS Logger with Ambarella A7la70 + 170 Degree Ultra Wide Angle + GPS Logger(tracker) +...
M: Yubi Power Universal 4 Outlet Power Strip with 2 USB Ports 3.1A, 100-250V and 3750 Max Watts Surge Protector - With Circuit Breaker - For...
N: Solar Powered Owl Shape String Lights. Electronics. Headphones. Pandawill.
O: B+W 77mm XS-Pro Digital Vario ND with Multi-Resistant Nano Coating. Electronics. Camera & Photo. B + W.
P: Polar A360 Fitness Tracker with Wrist Heart Rate Monitor. Electronics. GPS, Finders & Accessories. Polar.
Q: SLB-10A Battery and Battery Charger for Samsung EX2F HZ15W SL202 SL420 SL620 SL820 WB150F WB250F WB350F WB750 WB800F WB850F WB1100F Digital Camera + More!!. Electronics...
R: Targus 4-Port Smart USB Hub ACH112US (Black). Electronics. Computers & Accessories. Targus.
S: SANOXY 360 Degrees Rotating Stand (black) Leather Case for iPad 2 2nd generation (iPad 2/3/4 BLACK). Electronics. Computers & Accessories. SANOXY.
T: Best Price Mattress 12" Premium Memory Foam Mattress and New Innovative Steel Platform Bed Set, Full. Home & Kitchen. Furniture. Best Price Mattress.


assistant
Answer: K