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

Input:
1st: abcGoodefg® 4GB USB 2.0 Mp3 Music Player with Fm Radio Function Voice. Electronics. Portable Audio & Video. Crazy Cart.
2nd: iPod 5th Gen Audio / Headphone Jack Assembly / 30GB. Electronics. Portable Audio & Video. Generic.
3rd: SanDisk microSDHC 32GB Flash Memory Card, Black, SDSDQM-032G-B35 (Retail Packaging). Electronics. Computers & Accessories. SanDisk.
4th: Degen DE1126 Ultra-Thin AM/FM/SW Radio with 4GB MP3 Player, Voice Recorder & E-book Reader. Electronics. Portable Audio & Video. DEGEN.
5th: SanDisk 32GB MicroSDHC Memory Card. Electronics. Computers & Accessories. SanDisk.
6th: KAVAJ leather case cover"Berlin" for the Apple iPad Mini 3, iPad mini 2 (Retina Display) and iPad mini black - genuine leather with stand-up feature...

Options:
A: HDE Case for iPad Mini 4 - Shockproof Case for Kids with Stand Convertible Lightweight Cover for 4th Generation Apple iPad Mini 4-2015 Release (Blue)...
B: MobilePal ProofFit 1.7-Inch Headset Audio Jack Extender for iPhone and Android with Gold Plated 4-Pole 3.5mm Connectors (Titanium Gray). Electronics. Accessories & Supplies. MobilePal.
C: Bastion rear slide cover plate for Smith & Wesson S&W M&P 9mm .40 40 cal .357 45 acp full size and compact only, butt plate...
D: Kate Aspen 20060NA Glass Sailboat Tealight,Pack Of 4. Home & Kitchen. Home Dcor. Kate Aspen.
E: Stainless Steel Pancake Batter Dispenser Bundle with Measuring Label: For Baking Cupcakes, Waffles, Crepes, Muffins, Cake or any Battery mix with 12 Pack of Silicone...
F: Skylink SC-10W Wireless Home & Office Burglar Alarm System Alert Safety Security Package | Affordable, Easy to Install DIY. Electronics. Security & Surveillance. Skylink.
G: Sun Zero Barrow Energy Efficient Grommet Curtain Panel, 54" x 63", Paprika Red. Home & Kitchen. Home Dcor. Sun Zero.
H: BassPULSE Wireless Computer Speakers Bluetooth 2.1 with Subwoofer, Blue LED Lights and 33-Foot Range by GOgroove - Works with Your Desktop PC, Laptop, Smartphone and...
I: Grasslands Road Her Majesty 20-Ounce, Queen of Everything Crystal Embellished Black Wine Glass. Home & Kitchen. Kitchen & Dining. Grasslands Road.
J: Silicone sealing ring for 6 qt and 5 qt IP models - Two pack. Home & Kitchen. Kitchen & Dining. Instant Perrrt!.
K: Waist Trimmer for Men & Women - Weight Loss Wrap - Lower Back & Lumbar Support - Workout Sauna Suit Stomach Fat Burner - Maternity...
L: Infinity Reference 9633cf 6 x 9-Inch 300-Watt High Performance 3-Way Loudspeaker (Pair). Electronics. Car & Vehicle Electronics. Infinity.
M: XPRO 24"x 24" Studio Photography White Photo Light Tent - DigiTent - Dome - Cube - Box + 4 Chroma Key Back Drop. Electronics. Camera...
N: JETech Bluetooth Keyboard Case for Apple iPad Pro 12.9" (2015 Model ONLY), 360 Degree Rotation, Multi-Angel Stand. Electronics. Computers & Accessories. JETech.
O: Fashion Custom 4th July Independence day of United States Waterproof Polyester Fabric Shower Curtain 66 x 72. Home & Kitchen. Bath. Artsadd.
P: DAOKI 5PCS High Sensitivity Sound Microphone Sensor Detection Module For Arduino AVR PIC. Electronics. Security & Surveillance. DAOKI.
Q: Games Series - 19" x 24" 10 Pack. Sports & Outdoors. Sports & Fitness. GunFun.
R: 3 pcs Aqua Blue/Black/Red Capacitive Stylus/styli Touch Screen Cellphone Tablet Pen for iPhone 4 4s 3 3Gs iPod Touch iPad 2 Motorola Xoom, Samsung Galaxy,...
S: Nikon Prostaff 7S 10x30 ATB Waterproof/Fogproof Binoculars with Case + Cleaning + Accessory Kit. Electronics. Camera & Photo. Nikon.
T: Apple MacBook Pro 13 Screen Protector (2013) [2-Pack], iLLumiShield - Japanese Ultra Clear HD Film with Anti Bubble and Anti Fingerprint. Electronics. Computers & Accessories...
Answer: R