Instruction: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
1st: Allen Sports Deluxe Trunk Mounted Bike Rack. Sports & Outdoors. Outdoor Recreation. Allen Sports.
2nd: W5000 - Mikasa Sports Competition Men's Water Polo Ball. Sports & Outdoors. Sports & Fitness. Mikasa Sports.
3rd: Spyderco Dragonfly 2 Plain Edge Folding Knife, Yellow.  Spyderco.

Options:
A: Luxury Best Potato Masher Stainless Steel Ricer Superior Quality, A Great Gift For A Loved One - By Erin Leslie. Home & Kitchen. Kitchen &...
B: Headphones, Sound Intone Foldable Headphones with Microphone and Volume Control, On-ear Wired Headset for iphone and Android Devices (Black/green). Electronics. Headphones. Sound Intone.
C: Rival Snow Cone Maker. Home & Kitchen. Kitchen & Dining. Rival.
D: Prepworks by Progressive Collapsible Prep Colander - 7 Cup Capacity. Home & Kitchen. Kitchen & Dining. Progressive.
E: Bedford Clock Collection Mahogany Wall Clock with Pendulum and Chimes, Cherry Wood. Home & Kitchen. Home Dcor. Bedford Clock Collection.
F: ELAC S12EQ Debut Series 1000 Watt Powered Subwoofer by Andrew Jones with AutoEQ. Electronics. Home Audio. Elac.
G: Savage Seamless Background Paper - #8 Primary Red (53 x 36'). Electronics. Camera & Photo. Savage.
H: EZM Deluxe Dual Monitor Mount Stand Free Standing with Grommet Mount Option up to 28"(002-0018). Electronics. Accessories & Supplies. EasyMountLCD.
I: MoKo(TM) 360 Degree Rotating Case for the New iPad 3 HD (3rd generation) / IPad 2, Purple. Electronics. Computers & Accessories. MoKo.
J: Mega Coouv Original Shawl Arm Sleeves. Sports & Outdoors. Sports & Fitness. Mega Brands.
K: Outdoor Mounting Bracket for Ductless Mini Split Air Conditioner Heat Pump Systems, Universal, 9000-36000 Btu Condenser. Home & Kitchen. Heating, Cooling & Air Quality. DuctlessAire.
L: MP3 Player / MP4 Player, Hotechs MP3 Music Player with 16GB Memory SD Card Slim Classic Digital LCD 1.82'' Screen Mini USB Port with FM...
M: Sentey Black bag. Electronics. Headphones. Sentey.
N: Wusthof Classic Bread Board Set. Home & Kitchen. Kitchen & Dining. Wsthof.
O: HHI Re-Elegant Muti-Function Viewing Stand Case for Toshiba Excite 10 - Carbon Fiber (Package include a HandHelditems Sketch Stylus Pen). Electronics. Computers & Accessories. Handhelditems.
P: Penn Ultra-Blue Racquetball (3 Ball Can) . Sports & Outdoors. Sports & Fitness. Penn.
Q: Crash Your Pi ! Cable Bread Board Adapter and Parts for Raspberry Pi. Electronics. Computers & Accessories. MyPiShop.
R: Flat Golf Ball Markers 25 ct Assorted Colors Plastic. Sports & Outdoors. Sports & Fitness. Charter.
S: For Dell Optiplex 390 790 990 3010 SFF desktop Power Supply CCCVC H240AS-00 SFF Computer Power Supply 240 Watt. Electronics. Computers & Accessories. Dell.
T: Tinksky Set of Replacement Soft PU Foam Earpads Ear Pads Ear Cushions with Head Cushion for Sennheiser HD418 HD419 HD428 HD429 HD439 HD438 HD448 HD449...
Answer: P