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: MoKo Google Nexus 7 2013 FHD 2nd Gen Case - Ultra Slim Lightweight Smart Shell Stand Cover Case with Auto Wake/Sleep for Google Nexus 2...
2nd: Plantronics Voyager Pro HD Wireless Bluetooth Headset - Compatible with iPhone, Android, and Other Leading Smart Devices - Black. Electronics. Headphones. Plantronics.
3rd: 3-Way Weatherproof Outdoor Speaker Set - 3.5 Inch 200W Pair of Marine Grade Mount Speakers - in a Heavy Duty ABS Enclosure Grill - Home,...

Options:
A: MSR Alpine Utensil Set. Sports & Outdoors. Outdoor Recreation. MSR.
B: TRIPAR White Wine Glass Metal Wall Decor. Home & Kitchen. Home Dcor. TRIPAR.
C: Cast Iron Seahorse Coat or Towel Hook Nautical Beach Decor. Home & Kitchen. Storage & Organization. MD.
D: Hiendure Wall Mounted Square Solid Brass Soap Basket in Polished Chrome. Home & Kitchen. Bath. Hiendure.
E: Enjyodeal New Stainless Steel Fish Lip Gripper Trigger Grip Lock Weighting Tool with Inches Ruler. Sports & Outdoors. Sports & Fitness. Enjoydeal.
F: OUTBAGS USA LS3NANO Full Grain Heavy Leather IWB Conceal Carry Gun Holster for Beretta Nano 9mm. Handcrafted in USA. Sports & Outdoors. Sports & Fitness...
G: LinenTablecloth 14 x 108-Inch Satin Table Runner Red. Home & Kitchen. Kitchen & Dining. LinenTablecloth.
H: ICUP DC Comics - Batgirl Be The Character Adult Size 100% Cotton Adjustable Black Apron. Home & Kitchen. Kitchen & Dining. ICUP.
I: Shield iShell - Black Luxury Leather Case/Flip Stand For Apple iPad 1 - Premium Quality. Electronics. Computers & Accessories. iShell Carbon Fiber.
J: Horse Heads Collectible Art Travel Mug, Stainless Lined Coffee Tumbler, 16-Ounce - Gift for Horse People and Lovers - Tree-Free Greetings 77135. Home & Kitchen...
K: Best Choice Products Folding Lightweight Moon Camping Chair Outdoor Sport. Sports & Outdoors. Outdoor Recreation. BEST CHOICE PRODUCTS.
L: UNCAPPER Jar Opener: Screw and Lift-off Lid Remover, Bottle Opener and Re-sealer. Mounts Under Cupboard-Works with One Hand. Home & Kitchen. Kitchen & Dining. UNCAPPER.
M: Duzign Rover Messenger Bag (Light Brown) for 11 Inch MacBook Air + Pocket for Apple iPad. Electronics. Computers & Accessories. Sunzel.
N: Croydex Trent Stainless Steel Lockable Surface Mount Medicine Cabinet with Keys, 15.7 x 9.8 x 5.2 In. Home & Kitchen. Bath. Croydex.
O: AmazonBasics 16-Gauge Speaker Wire - 100 Feet. Electronics. Accessories & Supplies. AmazonBasics.
P: Thermos 16 Ounce Desk Mug, Stainless Steel/Magenta. Home & Kitchen. Kitchen & Dining. Thermos.
Q: XKTtsueercrr PU Leather Removable Detachable Wireless Bluetooth Keyboard ABS Plastic Keys and Protective Case for Samsung Galaxy Note 10.1 inch N8000 N8010 N8013 Tablet (Black)...
R: Nutri Ninja 24-Ounce Double-Wall Stainless Steel Cup with Sip & Seal Lid for Nutri Ninja Blenders (XSKDWSS24), Stainless Steel. Home & Kitchen. Kitchen & Dining...
S: Adcraft KT-27 10" Overall Length, Stainless Steel Pie Server with Wood Handle. Home & Kitchen. Kitchen & Dining. Adcraft.
T: Butler Creek Nylon Utility Sling (1-Inch X 48-Inch, Black). Sports & Outdoors. Sports & Fitness. Butler Creek.
Answer: O