Instruction: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
1st: (Box of 12, Ivory) Digital-SECURE (tm) Cat 5/5e RJ45 Ethernet Couplers (RJ-11 compatible). Electronics. Computers & Accessories. Digital-SECURE.
2nd: Ubiquiti Networks Enterprise AP Unifi. Electronics. Computers & Accessories. Ubiquiti Networks.

Options:
A: KENTEK 700 Watt 700W 120MM Blue LED Fan Guard Grill Glossy Black ATX Power Supply Dual 12V Rails 2.3 EPS12V 2.92 PCI-E PCI-Express 6/8 Pin...
B: "Driver License" Picture Frame With Key Ornament,ASK,D0501 />. Home & Kitchen. Home Dcor. Ask.
C: Kenwood DNX772BH 6.95 Inch Touchscreen Navigation Reciever. Electronics. Car & Vehicle Electronics. Kenwood.
D: WD Red 8TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80EFZX. Electronics. Computers & Accessories. Western...
E: Galco Triton Kydex IWB Holster for 1911 4-Inch, 4 1/4-Inch Colt, Kimber, Para, Springfield, Smith (Black, Right-hand). Sports & Outdoors. Sports & Fitness. Galco Gunleather.
F: SanDisk Clip Sport 4GB MP3 Player, RED With LCD Screen and MicroSDHC Card Slot (Certified Refurbished). Electronics. Portable Audio & Video. SanDisk.
G: 300 second (5 minutes) USB recording module. Electronics. Portable Audio & Video. Electronics123.com, Inc.
H: Yogourmet Multi Electric Yogurt Maker with CBA Starter. Home & Kitchen. Kitchen & Dining. Yogourmet.
I: Cablelera 2 Prong Notebook Power Cord, NEMA 1-15P to IEC320 C7, 3', 18 AWG, 10A, 125V (ZWACMBA8-03). Electronics. Accessories & Supplies. Cablelera.
J: Z ZTDM 3pcs 6" Nylon Plastic Repair Opening Tool Spudger Black Stick for Apple iPad iPod iPhone - for iPad Mini, iPad 1 2 3...
K: FS Kitchen Round Clear Glass Airtight Lids Chalkboard Canister Jar (Set of 3) with 3 Stick on Labels and Chalk. Home & Kitchen. Kitchen &...
L: Makerskit Classic Cocktail Bar Set, Includes Hardwood Muddler. Home & Kitchen. Kitchen & Dining. MakersKit.
M: Best Stainless Steel Metal Measuring Cups Set, 4-pc, Guarantee. Home & Kitchen. Kitchen & Dining. Turning Chef.
N: Leupold RM Ruger M77 30mm High Scope Rings, Matte Finish. Sports & Outdoors. Sports & Fitness. Leupold.
O: Insta-Bed Standard Air Mattress with Never Flat Pump. Home & Kitchen. Bedding. Insta-Bed.
P: MSR IsoPro Fuel 8 oz. Sports & Outdoors. Outdoor Recreation. MSR.
Q: Monster Cable RadioPlay Car Stereo Wireless FM Transmitter (MBL-FM XMTR). Electronics. Portable Audio & Video. Monster.
R: Hicool K-9 Bluetooth Headphones Wireless Stereo Sport Sweatproof Earbubs with Mic. Electronics. Headphones. HiCool.
S: Staub 3.5 Quart Pumpkin Cocotte, Orange. Home & Kitchen. Kitchen & Dining. Staub.
T: Koala Damage-free Tablet Wall Mount for ASUS Google Nexus 7 & 10 and similar Android Tablets (i.e. Samsung Galaxy Tab, Note, Transformer Infinity/Prime, Microsoft Surface...
Answer: D