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: Celestron PowerSeeker 50 AZ Refractor Telescope. Electronics. Camera & Photo. Celestron.
2nd: Canon EOS Rebel G Film SLR Camera Kit with 35-80mm Lens. Electronics. Camera & Photo. Canon.
3rd: FARO G2-PNR Premium Pilot Aviation Headset with Mp3 Input (Adapters for aviation headset connectors, standard dual GA adapter universal support)-Black. Electronics. Car & Vehicle Electronics...
4th: Shades iPod Classic 6G/7G Case, Skin - 80 GB, 120 GB and 160GB - 2009 Model - Midnight Black. Electronics. Portable Audio & Video. ShadesCases.

Options:
A: Taylor Commercial Baking, Premium Professional Non-stick Silicone Baking Mat (2-pcs), Half Sheet 11-5/8. Home & Kitchen. Kitchen & Dining. Taylor Commercial Baking.
B: Masione Cordless Phone Battery for 400mAh 3.6V Vtech BT-17333, BT-27333 CS2111 01839, Sanyo CLT3500 GESPCH06 Radio Shack CS90174 12280731 23-956 23-9069 43-3215 Novacell 3MR600 2/3AA...
C: Rollerblade Bladerunner Phaser Kids 4 Size Expandable Skate. Sports & Outdoors. Outdoor Recreation. Rollerblade.
D: RoomDividersNow 56in-108in Hanging Curtain Rod With Brackets, Silver. Home & Kitchen. Home Dcor. RoomDividersNow.
E: NcSTAR NC Star CVDC2946PR-36, Double Carbine Case, Sizenameinternal, Black with Purple Tan, 36. Sports & Outdoors. Sports & Fitness. NcSTAR.
F: Continental 26" Bicycle Tube, 1.25"/1.75" 42mm Presta Valve. Sports & Outdoors. Outdoor Recreation. Continental.
G: Bike Bicycle Red LED Rear Light 3 modes Waterproof Tail Light Blue,Set of 2 [Sports]. Sports & Outdoors. Outdoor Recreation. Buytra.
H: Boston Terrier Brewing Co Panel Ryan Fowler Vintage Beer Ads Dogs Print Poster 8x20. Home & Kitchen. Wall Art. Picture Peddler.
I: Cressi Shorty Men's Wetsuit for Water Activities | Tortuga 2.5mm Premium Neoprene. Sports & Outdoors. Outdoor Recreation. Cressi.
J: Lenovo ThinkPad Edge E545 AMD Elite 15.6-Inch Windows 7 Professional Business Notebook PC (A6-5350M 2.9GHz, 120GB Performance SSD Hard Drive, Windows 7 PRO, 8GB RAM)...
K: Panasonic Full HD Camcorder HC-V180K, 50X Optical Zoom, 1/5.8-Inch BSI Sensor, Touch Enabled 2.7-Inch LCD Display (Black). Electronics. Camera & Photo. Panasonic.
L: Big Boss 9091 Electric Citrus Juicer, Blue. Home & Kitchen. Kitchen & Dining. Big Boss.
M: Madison Park Carmel Queen Size Bed Comforter Set Bed in A Bag - Teal, Jacquard Coastal Seashells – 7 Pieces Bedding Sets – Ultra Soft...
N: SPRINGROSE Silver Charger Plates (set of 10) | Buy in Bulk | The Perfect Decoration for Yoru Tables | Perfect for a Wedding, Party, Banquet,...
O: Knife Sharpening System, 4 in 1 Knife Scissors Sharpener Maintaining Kitchen & Sport Knives, Kitchen Shears. Home & Kitchen. Kitchen & Dining. FATCHOI.
P: Q-See QT426-603-5 16 Channel Surveillance System with Multiple Recording Options and 16 Weatherproof Cameras. Electronics. Security & Surveillance. Q-See.
Q: Despicable Me Minions Bath Tub Mat. Home & Kitchen. Kids' Home Store. Universal.
R: Digital DTV Converter Box for Recording and Viewing Full HD Digital Channels Free (Instant or Scheduled Recording, 1080P HDTV, HDMI Output, 7 Day Program Guide...
S: RSVP French Fry Cutter. Home & Kitchen. Kitchen & Dining. RSVP International.
T: Tache Cotton 3 Piece Colorful Flower Power Party Patchwork Quilt Set, Full. Home & Kitchen. Bedding. Tache Home Fashion.
Answer: B