Instruction: Rank items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
1st: Ubiquiti Networks Unifi 802.11ac Dual-Radio PRO Access Point (UAP-AC-PRO-US). Electronics. Computers & Accessories. Ubiquiti Networks.
2nd: Networx 1 Port Keystone Faceplate - Single Gang - White. Electronics. Accessories & Supplies. NetworxTM.
3rd: Ubiquiti UniFi Switch - 24 Ports Managed (US-24-250W). Electronics. Computers & Accessories. Ubiquiti Networks.
4th: Canon Speedlite 430EX III-RT Flash. Electronics. Camera & Photo. Canon.
5th: StarTech.com 2U 19in Hinged Wall Mount Bracket for Patch Panels - 2U Wallmount Bracket - 2U Wall Bracket. Electronics. Accessories & Supplies. StarTech.
6th: [UL Listed] Cable Matters In-Wall Rated (CM) Bare Copper Cat 6 / Cat6 Bulk Cable (Cat6 Ethernet Cable 1000 Feet) in Red. Electronics. Computers &...
7th: Ubiquiti Unifi Security Gateway Pro (USG-PRO-4). Electronics. Computers & Accessories. Ubiquiti Networks.
8th: Ubiquiti Unifi Security Gateway (USG). Electronics. Computers & Accessories. Ubiquiti Networks.
9th: Amgate 50 Pcs 4 Inch Marker Nylon Cable Ties Write on Ethernet, Colorful Wire Zip Ties Cable Mark Tags Nylon Power Marking Label. Electronics. Accessories...
10th: ZipTape Wire Label Dispenser, 150 markers. Electronics. Accessories & Supplies. ZipTape.
11th: StarTech RK812WALLO 8U Open Frame Wall Mount Equipment Rack - 12-Inch Deep (Black). Electronics. Accessories & Supplies. StarTech.
12th: Cable Matters Rackmount or Wallmount 48-Port Cat6 RJ45 Patch Panel. Electronics. Computers & Accessories. Cable Matters.
13th: Logitech Wireless Combo MK360 – Includes Keyboard with 12 Programmable Keys and Wireless Mouse, Compact Package Perfect for Travel, 3-Year Battery Life. Electronics. Computers &...
14th: CyberPower CPS1220RMS Surge Protector, 120V/20A, 12 Outlets, 15ft Power Cord, 1U Rackmount. Electronics. Accessories & Supplies. CyberPower.
15th: Monoprice Blank Insert For Wall Plate - 10pcs/Pack (White). Electronics. Accessories & Supplies. Monoprice.

Options:
A: Purse Size Deluxe Coupon Organizer Wallet ToCart #110. Home & Kitchen. Kitchen & Dining. 4 Best Bargains, Inc.
B: ProtoCASE RETINA 13-inch [2in1] Soft-Touch Plastic Hard Case Cover & Keyboard Cover for Macbook Pro with Retina Display 13" [Model: A1502/A1425, NEWEST VERSION]. Electronics. Computers...
C: Powell-Peralta G-Bones 64mm 97a Skateboard Wheels. Sports & Outdoors. Outdoor Recreation. Powell-Peralta.
D: River's Edge Beautiful Tempered Glass Cutting Board with Mama Black Bear and Cubs Design (Black Bear, 16-Inchx12-Inchx.5-Inch). Home & Kitchen. Kitchen & Dining. River's Edge...
E: Tac-Cloth Gun Cleaning Cloth Rag (Micro-Shield Silicone Moisture Guard that Eliiminates Fingerprints and Oils) (Creates Lasting Protective Layer). Sports & Outdoors. Sports & Fitness. ragnar...
F: ITALIAN 1200 Thread Count Egyptian Cotton Duvet Cover Set , King, White. Home & Kitchen. Bedding. Egyptian Cotton Factory Outlet Store.
G: Ionic Apple iPad 5 iPad Air Screen Protector Film CLEAR (Invisible) (3-pack). Electronics. Computers & Accessories. Ionic Pro.
H: [UL Listed] Cable Matters 10-Pack 3 Port Keystone Wall Plate (Cat6 / Cat5e Ethernet Wall Plate) in White. Electronics. Accessories & Supplies. Cable Matters.
I: SaiTech IT (2 Pack) Mini USB OTG Cable for Digital Cameras - USB A Female to Mini USB B 5 Pin Male Adapter Cable. Electronics...
J: Stretch Sensations Optic Recliner Stretch Slipcover, Gray. Home & Kitchen. Home Dcor. Stretch Sensations.
K: Hallmark Big Bang Theory Bazinga! Fan Club Christmas Ornament. Home & Kitchen. Home Dcor. Hallmark.
L: Fresh Lime (Lime Green) Balloons (6) by Veil Entertainment. Home & Kitchen. Event & Party Supplies. Veil Entertainment.
M: LG LHB336 1100W 3D Blu-ray Home Theater System with Smart TV (2011 Model). Electronics. Television & Video. LG.
N: Bipra Flip up 2.5 Inch USB 3.0 Hard Drive Disk HDD External Enclosure Case with usb 3.0 Cable for 9.5mm 7mm 2.5" SATA HDD and...
O: 2XU Mens Ice Compression Tights. Sports & Outdoors. Sports & Fitness. 2XU.
P: Aurum Cables - High Speed Micro-HDMI to HDMI Cable - Full HD - 6 Feet. Electronics. Accessories & Supplies. Aurum Cables.
Q: Original Turtle Fur Fleece - Golf Mitt, Heavyweight Fleece Pull Up Mitten, Black. Sports & Outdoors. Outdoor Recreation. Turtle Fur.
R: Lifaith 100% Cotton Kitchen Everyday Basic Terry Pot Holder Heat Resistant Coaster Potholder for Cooking and Baking Set of 5 Grape. Home & Kitchen. Kitchen...
S: BleuMoo Stainless Steel Lace Side Sugar Clamp Tongs Ice Coffee Bar Buffet Kitchen Spoon. Home & Kitchen. Kitchen & Dining. BleuMoo.
T: JacobsParts SuperSpeed USB 3.0 Hard Drive Enclosure for 2.5" SATA HDD. Electronics. Computers & Accessories. JacobsParts.
Answer: H