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

Input:
1st: KHOMO Leather Case For Microsoft Surface RT And Surface RT 2 (Surface 2) Windows 8 tablet. Electronics. Computers & Accessories. KHOMO.
2nd: Samsung S27C390H 27-Inch Widescreen LCD Monitor. Electronics. Computers & Accessories. Samsung.
3rd: Microsoft Explorer Touch Mouse - Storm Gray. Electronics. Computers & Accessories. Microsoft.
4th: Sony 16GB Class 10 Micro SDHC R40 Memory Card (SR16UYA/TQMN) (OLD MODEL). Electronics. Computers & Accessories. Sony.
5th: Toshiba Canvio 750 GB USB 3.0 Basics Portable Hard Drive - HDTB107XK3AA(Black). Electronics. Computers & Accessories. Toshiba.
6th: AKG K3003i Reference Class In-Ear Headphones. Electronics. Headphones. AKG.
7th: Philips SHE3590WT/28 In-Ear Headphones (White) (Discontinued by Manufacturer). Electronics. Headphones. Philips.

Options:
A: Denon AVR-E400 7.1 Integrated Network AV Surround Receiver with Airplay (Discontinued by Manufacturer). Electronics. Home Audio. Denon.
B: ASICS Men's Interval 1/2 Split Shorts. Sports & Outdoors. Sports & Fitness. ASICS.
C: Mountain Mike's Reproductions Antler Hand Towel Hook. Home & Kitchen. Bath. Mountain Mike's Reproductions.
D: '47 NHL Brand Men's Scrum Basic Tee. Sports & Outdoors. Fan Shop. '47.
E: Hand Strap for Cameras or Camcorders. Electronics. Camera & Photo. eForCity.
F: Apple iPod shuffle 2 GB Silver (2nd Generation)  (Discontinued by Manufacturer). Electronics. Portable Audio & Video. Apple.
G: V7 Standard Full-Size Space Saving Spill Resistant PS2 Keyboard for Windows Desktop PC (KC0D2-5N6) - Black. Electronics. Computers & Accessories. V7.
H: Mudder 2 Pack Headphone Headset Hanger Monitor Stand Holder Headset Stick-on Hook, White. Electronics. Accessories & Supplies. Mudder.
I: 52mm Filter Kit For Panasonic Lumix DMC-FZ150K, DMC-FZ150, DMC-G5, DMC-G5K, DMC-G5KS, DMC-GH3, DMC-GH3K Digital Camera Includes 52mm Multi-Coated 3 PC Filter Kit (UV, CPL, FLD)...
J: Prestaflator - Bicycle Tire Inflator - Presta and Schrader Air Compressor Tool. Sports & Outdoors. Outdoor Recreation. Prestacycle.
K: Mango Spot Thermo Lens Cup with Stainless Steel Insulated Tumbler, 1:1 Canon EF 70-200mm f/4L USM Lens, 16oz, Black. Home & Kitchen. Kitchen & Dining...
L: Apple iPod touch (32GB) - Space Gray. Electronics. Portable Audio & Video. Apple.
M: Under Armour 1244037 Sportstyle III Logo Tee - Black/Red.  Under Armour.
N: SmartGuard 2-Year PC Peripherals Protection Plan ($150-$200). Electronics. Electronics Warranties. Wewdigi.
O: Barnett 17455 Crank Cocking Device Bows Power Stroke Under 16". Sports & Outdoors. Sports & Fitness. Barnett LLC.
P: YONGNUO YN600L Pro LED Video Light/LED Studio Light with 5500K Color Temperature and Adjustable Brightness for the SLR Cameras Camcorders, like Canon Nikon Pentax Olympus...
Q: Samsung Galaxy Camera Case (Black). Electronics. Computers & Accessories. Samsung.
R: ePathDirect 1 X Replacement 8.4V 6600mAh Rechargeable Battery Pack for Headlamp & Bicycle Light. Sports & Outdoors. Outdoor Recreation. ePathDirect.
S: HOSPITOLOGY PRODUCTS Sleep Defense System - PREMIUM Zippered Bed Bug & Dust Mite Proof Box Spring Encasement & Hypoallergenic Protector - 60-Inch by 80-inch, Queen...
T: Microsoft Surface Touch Cover 2, Charcoal (N3W-00001). Electronics. Computers & Accessories. Microsoft.
Answer: T