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

Input:
1st: Dell Computer, Intel 3.0 GHz CPU, New 2GB Memory, 160GB SATA Hard Drive, DVD/CDRW, Windows 7 Professional-(Certified Reconditioned). Electronics. Computers & Accessories. Dell.
2nd: General dB New 15 HD/dB/15 VGA/SVGA KVM Gender Changer Adapter Female To Female(F-F). Electronics. Accessories & Supplies. General.
3rd: Cable Matters VGA Splitter Cable (VGA Y Splitter) for Screen Duplication - 1 Foot. Electronics. Computers & Accessories. Cable Matters.
4th: Roku 3 Streaming Media Player with Voice Search (Certified Refurbished). Electronics. Television & Video. Roku.

Options:
A: iMah Ryme B2-1 BT800 BT8300 Phone Batteries Compatible Vtech CS6209 CS6219 CS6229 DS6121 DS6221 Motorola L601M L602 L603M L701 L702M L903 L513CBT Home Handset Telephone...
B: Grim Reaper Broadhead Razorctip 1-3/4 in.  1904 100gr 3Pk. Sports & Outdoors. Sports & Fitness. Grim Reaper Broadheads.
C: Boston Leather 6543 Fireman's Radio Strap 1-1/4" Wide.  Boston Leather.
D: 60 x 95-Inch Rectangular Tablecloth Beige Leaf, Stain Resistant, Washable, Liquid Spills bead up, Seats 8 to 10 People (Other Size Available: 63" Round, 60...
E: Old World Christmas Ornaments: Tortoise Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.
F: Ariat Women's Heritage Lacer II Western Cowboy Boot. Sports & Outdoors. Sports & Fitness.
G: Q-See QTH8056D-2 1080p HD Analog Dome Security Camera 2-Pack (Black). Electronics. Camera & Photo. Q-See.
H: Linxup OBD GPS Tracker with Real Time 3G GPS Tracking, Car Tracking Device and Car Locator, Car GPS LPVAS1 - No Contracts. Electronics. Car &...
I: Yoga Tank Top. Sports & Outdoors. Sports & Fitness. Zippy Sports.
J: Under Armour CGI Crew Neck Running Top. Sports & Outdoors. Sports & Fitness.
K: Jim Shore for Enesco Heartwood Creek Santa Chef Figurine, 10". Home & Kitchen. Home Dcor. Jim Shore for Enesco.
L: WISE TIGER Bluetooth 4.0 Headset On Ear Wireless Headphone with Fm Radio and Tf Card (8G). Electronics. Headphones. WISE TIGER.
M: Country Kitchen Dish Rack with Cutlery Basket - 18x10x8 (Black). Home & Kitchen. Kitchen & Dining. Country Kitchen.
N: TP-Link 48-Port Gigabit Smart Switch with 4-SFP Slots (TL-SG2452). Electronics. Computers & Accessories. TP-LINK.
O: Kattee Crazy Horse Leather Men's Huge Backpack Shoulder Handbag Fit 17" Laptop (Large, Dark Brown). Electronics. Computers & Accessories.
P: LG / Zenith OEM MKJ36998105 Remote Control. Electronics. Accessories & Supplies. LG.
Q: OPTI-UPS SS1200 600W 1200VA Stabilizer Series 6-Outlet Automatic Voltage Regulator. Electronics. Computers & Accessories. OPTI-UPS.
R: Mitid Wireless Mini Keyboard RGB Backlit 2.4G Remote with Mouse Touchpad Combos for Computer, Google Android TV Box, IPTV, HTPC, KODI, Raspberry Pi. Electronics. Computers...
S: Winter Warmer Long Stretch Weave Knit Arm Warmer Fingerless Gloves Crochet,Glay.  SDBING.
T: SCOUT Weekender Travel Tote Carry On Bag, Internal Zippered Pouch, Water Resistant, Zips Closed, Adrenaline Blush. Home & Kitchen. Kitchen & Dining. SCOUT.
Answer: R