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: adidas Men's adi Firebird Track Top. Sports & Outdoors. Sports & Fitness. adidas.
2nd: adidas Men's Firebird Track Pant. Sports & Outdoors. Sports & Fitness. adidas.
3rd: Tommie Copper Knee Sleeve. Sports & Outdoors. Outdoor Recreation. Tommie Copper.
4th: attwood 9067-1 Heavy-Duty Acid-Resistant Power Guard Series 27 Vented Marine Boat Battery Box, Black. Sports & Outdoors. Sports & Fitness. attwood.

Options:
A: Fujifilm Quick Snap Waterproof 35mm Single Use Camera, 4 Pack (Blue/Green/White). Electronics. Camera & Photo. Fujifilm.
B: Whitmor 6362-2693-2 Clear Vue Collection Boot Box, (Set of 4). Home & Kitchen. Storage & Organization. Whitmor.
C: Tea Forté PUGG 24oz Ceramic Teapot with Improved Stainless Tea Infuser, Loose Leaf Tea Steeping for Two, Orchid White. Home & Kitchen. Kitchen & Dining...
D: Salt and Pepper Grinder Set - Brushed Stainless Steel Top and Glass Bottle - Salt & Pepper Mill Pair with 5 Adjustable Coarseness Settings and...
E: Ferrite Core, YAMAY 10-Pack Snap On 5mm Ferrite Core Cord Ring Choke Bead RFI EMI Noise Suppressor Filter for Power Cord USB Cable Antenna HDMI...
F: ChiliPower NB-2LH, NB-2L, BP-2L5, BP-2LH 1700mAh Battery for Canon EOS 350D, 400D, Digital Rebel XT, XTi, PowerShot G7, G9 , S30, S40, S45, S50, S60,...
G: Winn Dri-Tac Standard Grip Kit (13-Piece). Sports & Outdoors. Sports & Fitness. Winn.
H: Premium Manual Coffee Grinder | High Quality Adjustable Ceramic Burr | Professional Stainless Steel | Hand Crank Operated | FREE Brush | Perfect for French...
I: O'Neill Epic II 4/3 CT (Black) . Sports & Outdoors. Outdoor Recreation. O'Neill.
J: Pyramid Path Deluxe Single Tote Bowling Bag. Sports & Outdoors. Sports & Fitness. Pyramid.
K: ELONGPRO 2PCS 3M 10ft USB Sync Cable Cord for Apple iPad 1 2 iPod 4G iPhone 4 4s (White) A03. Electronics. Computers & Accessories.
L: Genuine DELL 16X DVD+RW 48X CD Burner Drive For any system that accepts full size optical drive & SATA Connection. Electronics. Computers & Accessories. Dell.
M: SquareTrade 2-Year Housewares Extended Protection Plan ($300-349.99). Electronics. Electronics Warranties. SquareTrade.
N: Cambridge Silversmiths Carnival 20-Piece Flatware Set, Service for 4. Home & Kitchen. Kitchen & Dining. Cambridge Silversmiths.
O: '47 Brand Cuffless Beanie Hat - NFL Knit Skull Toque Cap. Sports & Outdoors. Fan Shop. '47.
P: Lowepro Messenger Factor L Computer Bag - fits most 17" Laptops - Black. Electronics. Computers & Accessories. DayMen US, Inc.
Q: 11.6 Nextbook Flexx 11 - Intel Quad Core 2-in-1 Detached Windows 8.1 Tablet - 64gb. Electronics. Computers & Accessories. Nextbook.
R: USA GEAR Deluxe Digital SLR Camera Case Bag With Padded Interior Lining , Adjustable Divider , Accessory Pockets and Shoulder Strap - Works with Nikon...
S: Esky PCI 300Mbps 300M 802.11b/g/n Wireless WiFi Card Adapter with 2 Antenna for Desktop PC. Electronics. Computers & Accessories. Esky.
T: Charcoal Water Filters for Keurig single Cup Brewers by Brewslang (12Pack). Home & Kitchen. Kitchen & Dining. Brewslang.
Answer: O