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: KOLD. Water Bottle 18oz - 40oz Coldest Vacuum Insulated Stainless Steel Sports Bottle, Wide Mouth, with Caribiner Handle Lid, and 5 Different Colored Silicone Sleeves...
2nd: Tipton Solid Brass Gun Jag. Sports & Outdoors. Sports & Fitness. Tipton.
3rd: Streamlight 69120 TLR-2 C4 LED Rail Mounted Weapon Flashlight with Laser Sight, Black - 300 Lumens. Sports & Outdoors. Sports & Fitness. Streamlight.
4th: Cressi Scuba Diving Snorkeling Freediving Mask Snorkel Set. Sports & Outdoors. Outdoor Recreation. Cressi.

Options:
A: APC Netshelter 2post Open Rack Black Finish. Electronics. Computers & Accessories. APC.
B: Leupold Mark 4 1in Scope Rings, Medium Height, Matte Finish. Sports & Outdoors. Sports & Fitness. Leupold.
C: DSTE 2x EN-EL20 Replacement Li-ion Battery for Nikon Coolpix A 1 J1 J2 J3 AW1 S1 V3 P1000 DL24-500 Camera as EN-EL20A. Electronics. Camera &...
D: SuperTooth Disco Twin Bluetooth Stereo Speaker for Smartphones - Retail Packaging - Black. Electronics. Headphones. Supertooth.
E: Osprey Hi-Visibility Raincover. Sports & Outdoors. Outdoor Recreation. Osprey.
F: Divinity Boutique Inspirational Ceramic Mug with Birds - Psalm 103:5, He Fills My Life With Good Things, Multicolor. Home & Kitchen. Kitchen & Dining. Divinity...
G: Bluetooth Earbuds, Wireless In-Ear Noise Reduction Headphones Sweatproof Bluetooth Stereo Headset Lightweight Earphones with Microphone & Magnetic Attraction (Bluetooth V4.0) (Black). Electronics. Headphones. Bovon.
H: FATCHOI Mats Everyday Kitchen Basic Placemats, Multi, Gold. Home & Kitchen. Kitchen & Dining. FATCHOI.
I: 3-Piece Silicone Spatula Set by Kitouch (Pink) - Professional Quality Spatula Set with 3 Heat-Resistant Spatulas – Nonstick and Dishwasher Safe - Bonus eBook with...
J: The Friendly Swede (TM) PU Leather Case Cover Bundle for Kindle Fire HD 7 Inch in Retail Packaging (NOT Compatible With Kindle Fire HD 7...
K: Michel Design Works Cotton Potholder, Hydrangea. Home & Kitchen. Kitchen & Dining. Michel Design Works.
L: Panasonic On Ear Stereo Headphones RP-HF100-P with Travel-Fold Design, Matte Finish, Pink. Electronics. Headphones. Panasonic.
M: Zalman Accessory ZM-HS100 3Bay hot-swap Drive expansion PCB for GS1000 Retail. Electronics. Computers & Accessories. Zalman.
N: Fade Crunch Box Disc Golf Bag. Sports & Outdoors. Sports & Fitness. Fade Gear.
O: Meter.llc Meter.llc Meter.llc. Sports & Outdoors. Sports & Fitness. Meter.llc.
P: Cosmos 20868 Gifts Ceramic Maltese Salt and Pepper Set, 2-7/8-Inch. Home & Kitchen. Kitchen & Dining. Cosmos.
Q: Cuisinart Bread Maker 2lbs CBK-200. Home & Kitchen. Kitchen & Dining. Cuisinart.
R: FLOUREON 2Packs Home Phone Battery For Panasonic HHR-P104, HHR-P104A, KX-FG6550, KX-FPG391, KX-TG2302, KX-TG2303, KX-TG2312, KX-TG2355W, KX-TG2356B, KX-TG2356BP, KX-TG2356S, KX-TG2356W, KX-TG2357B, KX. Electronics. Accessories & Supplies...
S: Ailavi DC-DC Buck Converter 6V-24V 12V/24V To 5V 3A USB Output Module. Electronics. Accessories & Supplies. Ailavi.
T: Ancient Graffiti Hanging Flamed Copper Peace Dove Outdoor Decor. Home & Kitchen. Home Dcor. Ancient Graffiti.
Answer: O