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: Speedo Big Boys' Scoubidou Jammer Swimsuit. Sports & Outdoors. Sports & Fitness. Speedo.
2nd: BumbleBee Precision Boomerang - Easy Returning Boomerangs!. Sports & Outdoors. Sports & Fitness. Colorado Boomerangs.

Options:
A: Tourna Mesh Pack of 12 Tennis Balls. Sports & Outdoors. Sports & Fitness. Tourna.
B: Tommy Bahama Light Blue Backpack Cooler Chair. Sports & Outdoors. Outdoor Recreation. Tommy Bahama.
C: Shop4Ever I don't need Google My HUSBAND Knows Everything Women T Shirt Funny Shirts X-Large Black. Sports & Outdoors. Sports & Fitness. Shop4Ever.
D: The Office Dunder Mifflin - World's Best Boss - 11oz Mug. Home & Kitchen. Kitchen & Dining. The Office.
E: Battle XFAST Ankle Support System. Sports & Outdoors. Sports & Fitness. Battle.
F: MetroFlash NightShocker USB Rechargeable Bike Light. Sports & Outdoors. Outdoor Recreation. MetroFlash.
G: LeBeila Aluminum Carabiner Heavy Duty Climbing Hooks D Shape Buckle Pack Spring Snap Keychain Clip with Screwgate Locking-Outdoor Camping D-ring Carabiners Hook (Black/Orange-5PCS). Sports &...
H: Spt 1300-Watt Induction Cooktop, Silver. Home & Kitchen. Kitchen & Dining. SPT.
I: LoveRPi Performance Pro Active Cooling Case (White) for Raspberry Pi 3, ODROID-C2. Electronics. Computers & Accessories. LoveRPi.
J: UGREEN USB 3.0 Active Extension Cable USB Repeater Cable Extender with Signal Amplifier Type A Male to Female Cord Superspeed 30 Feet/10M. Electronics. Computers &...
K: Speedo Men's Xtra Life Lycra Rapid Splice Jammer Swimsuit. Sports & Outdoors. Sports & Fitness. Speedo.
L: TCC TC-753LC BLACK Phono Preamp w/Level Control and AUX Input. Electronics. Home Audio. Phono Preamps.
M: Headphone Adapter & Splitter, Headphone Jack Audio & Charge Connector Splitter Calling/Charger/Music/Remote Control for iP7/7 plus/8/8 Plus/X/XS/XR/XS/MAX. Electronics. Computers & Accessories. HKHONGDATECH.
N: Epicurean Chef Series Chef Cutting Board with Juice Groove, 27-by-18-Inch, Natural/Slate. Home & Kitchen. Kitchen & Dining. Epicurean.
O: Villeroy & Boch La Coupole 40-Piece Flatware Set, Service for 8. Home & Kitchen. Kitchen & Dining. Villeroy & Boch.
P: SanDisk 4 GB Class 4 SD Flash Memory Card - 10 Pack With Everything But Stromboli (tm) MicroFiber Cleaning Cloth. Electronics. Computers & Accessories. SanDisk.
Q: Gigabyte GM-M6880 Dual Lens Optical Gaming Mouse. Electronics. Computers & Accessories. Gigabyte.
R: Camco 51851 Tan Folding Rocking Chair. Sports & Outdoors. Outdoor Recreation. Camco.
S: Department 56 Snow Village Halloween The Zombie Pub Lit House, 6.9 inch. Home & Kitchen. Home Dcor. Department 56.
T: Mattress America Revive Gel Memory Foam Mattress, 12" H, Queen. Home & Kitchen. Furniture. Mattress America.
Answer: K