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: Stealth Cam 12V Battery Box. Sports & Outdoors. Sports & Fitness. Stealth Cam.
2nd: Geax Evolution II Tire. Sports & Outdoors. Outdoor Recreation. Geax.
3rd: Feedback Sports Pro Elite Repair Stand (Red). Sports & Outdoors. Outdoor Recreation. Feedback Sports.
4th: 1003 Kayak & Canoe Lift Hoist Kayak For Garage / Canoe Hoists 125 lb Capacity by RAD Sportz. Sports & Outdoors. Outdoor Recreation. RAD Sportz.
5th: SCSK8 CLEAR Longboard Skateboard Grip tape Sheet 10" x 48". Sports & Outdoors. Outdoor Recreation. SCSK8.
6th: Gerber Bear Grylls Ultimate Knife, Serrated Edge [31-000751]. Sports & Outdoors. Sports & Fitness. Gerber Blades.
7th: Stansport 271 Portable Folding Camp or Travel Toilet.  Stansport.
8th: SE CC4580 Military Lensatic and Prismatic Sighting Survival Emergency Compass with Pouch. Sports & Outdoors. Sports & Fitness. SE.
9th: Potable Aqua Water Purification Treatment (50 Tablets) - Portable Drinking Water Treatment Ideal for Emergencies, Survival, Travel, and Camping. Sports & Outdoors. Outdoor Recreation. Potable...
10th: Magpul Art of Tact Carb V2 2nd 4 Dvd. Sports & Outdoors. Sports & Fitness. Magpul.
11th: eGear Survival Essentials Folding Stainless Shovel. Sports & Outdoors. Outdoor Recreation. eGear Survival Essentials.
12th: MAddog Sports Shemagh Tactical Desert Scarf. Sports & Outdoors. Sports & Fitness. MAddog.
13th: Army Universe Woodland & Desert Camo 550LB US Paracord Value Pack - 200 Feet!. Sports & Outdoors. Sports & Fitness. Army Universe.
14th: Ultimate Survival Technologies Ultimate Survival U-DIG-IT Stainless Steel Folding Shovel w/Case. Sports & Outdoors. Outdoor Recreation. Ultimate Survival Technologies.
15th: CamelBak Omega HydroTanium Replacement Reservoir. Sports & Outdoors. Outdoor Recreation. CamelBak.
16th: Camelbak Big Bite Valve Cover. Sports & Outdoors. Outdoor Recreation. CamelBak.
17th: 5.11 RUSH MOAB 10 Tactical Sling Bag Shoulder Pack Military Backpack, Style 56964. Sports & Outdoors. Sports & Fitness. 5.11.
18th: CamelBak Reservoir Cleaning Tablets (8 Pack). Sports & Outdoors. Outdoor Recreation. CamelBak.
19th: Park Tool USA Professional Chain Tool CT-3, 10-Speed Compatible. Sports & Outdoors. Outdoor Recreation. Park Tool.

Options:
A: Firewire 1394A 6-PORT Mini-hub: TB859LL/A. Electronics. Computers & Accessories. Belkin.
B: Feltouch Magic Bluetooth Keyboard with Multi-touch function for iPad (iPad 2 / iPad 3), iPhone, Android Tablet, Mac and Windows PC. Electronics. Computers & Accessories...
C: Think Crucial Replacement Hoover UH72400 HEPA Style Filter, Compatible Part # 440003905. Home & Kitchen. Vacuums & Floor Care. Think Crucial.
D: COOLOMG Pad Crash Proof Antislip Basketball Leg Knee Short Sleeve Protector Gear (1 Piece). Sports & Outdoors. Sports & Fitness. COOLOMG.
E: JJC Professional White Balance Filter 100mm Compatible with up to 95mm Diameter Lenses. Electronics. Camera & Photo. JJC.
F: Kindle Fire HDX 7 Keyboard Case - Poetic Kindle Fire HDX 7 Case [KeyBOOK Series] - [Bluetooth Keyboard] PU Leather Protective Wireless Keyboard Folio Case...
G: Valley Enterprises® Black Replacement Medium Earmold Earbud One Pair Two-Way Radio Audio. Electronics. Portable Audio & Video. Valley Enterprises.
H: TETON Sports Mammoth Queen-Size Double Sleeping Bag; Warm and Comfortable for Family Camping. Sports & Outdoors. Outdoor Recreation. TETON Sports.
I: Braun HT600 Impressions Toaster, Brushed Stainless Steel. Home & Kitchen. Kitchen & Dining. Braun.
J: Clip-on Belt Holster for the Beretta Pico 380 Pistol. Sports & Outdoors. Sports & Fitness. Federal Holsterworks.
K: Armchair Tray – Couch Sofa Recliner Chair Armrest Caddy Organizer with Pockets – Hanging Storage for Remote, Phone, Magazines and Books with Table Top Tray...
L: Neewer Flash/Shoe/Umbrella Mount/Holder/Bracket Type E For All hot-shoe flashes except Sony and Minolta Brands. Electronics. Camera & Photo. Neewer.
M: Rimobul Asian Kitchen Stainless Steel Folding Hot Dish Plate Clip Plate Retriever Tongs. Home & Kitchen. Kitchen & Dining. Rimobul.
N: National Tree 4 Foot Blue Tinsel Tree with Plastic Stand and 70 Clear Lights (TT33-307-40). Home & Kitchen. Seasonal Dcor. National Tree Company.
O: Neu Home Espresso 3 Tier Utility Shoe Rack Storage - No Tool Assembly. Home & Kitchen. Storage & Organization. Neu Home.
P: LuLu Decor, 19" Amber Mosaic Wall Clock with Coffee Cement, Arabic Number Dial 9.5" for Living Room & Office Space (LP70). Home & Kitchen. Home...
Q: Silicone Rubber Feet 16mm(L) x6mm(W) x 3mm(H) Self Adhesive 10pcs [RB176]. Electronics. Computers & Accessories. VATH.
R: Butler Creek, Rifle Sling, Easy Rider, Black . Sports & Outdoors. Sports & Fitness. Butler Creek.
S: Cosmos Pack of 2 Stainless Steel Pie Cake Server with Mirror Finished. Home & Kitchen. Kitchen & Dining. Cosmos.
T: Luxr Blinds Custom-Made Real Wood Horizontal Window Blinds with Easy Inside Mount - 16" x 36" - 2" Wooden Slats - Premium Quality Basswood -...
Answer: H