Instruction: The user's purchase history implies her preferences. Rank the items in the options based on the user's preferences. Output the item that the user is most likely to purchase next from the options.

Input:
1st: DEFENDER XTREME 13.5" M9 Bayonet Combat Knife Green Handle with Vinyl Sheath. Sports & Outdoors. Sports & Fitness. DEFENDER XTREME.
2nd: Umarex 9XP .177 Caliber Steel BB Airgun Pistol. Sports & Outdoors. Sports & Fitness. Umarex.
3rd: Umarex USA .177 Black Diamond Steel BBs. Sports & Outdoors. Sports & Fitness. Umarex.
4th: Crosman 12 Gram CO2 Cartridges. Sports & Outdoors. Sports & Fitness. Crosman.
5th: Crosman Destroyer Pellets.177 Caliber, 4.5mm, 250ct. Sports & Outdoors. Sports & Fitness. Crosman.
6th: Cold Steel Inferno .38 oz. Keyring Hardcase Unit Pepper Spray. Sports & Outdoors. Sports & Fitness. Cold Steel.
7th: Cold Steel Voyager XL Tanto Plain Edge 29TXCT. Sports & Outdoors. Outdoor Recreation. Cold Steel.
8th: DRSKIN Undershirts Running Shirt Tank Tops Men's Cool Dry Compression Baselayer Sleeveless (2XL, STMR10). Sports & Outdoors. Sports & Fitness. DRSKIN.
9th: Plano 131250 1312 Ammo Box. Sports & Outdoors. Sports & Fitness. Plano.
10th: Weaver Base System. Sports & Outdoors. Sports & Fitness. Weaver.
11th: Allen Company Ruger Flagstaff 10/22 Rifle, Scoped Gun/Rifle Case,. Sports & Outdoors. Outdoor Recreation. Allen Company.
12th: F W Klever GmbH Ballistol Multi-Purpose Aerosol Can Lubricant Cleaner Protectant. Sports & Outdoors. Sports & Fitness. F W Klever GmbH.

Options:
A: RYOT Solid Top Screen Box - Walnut Finish, 4" x 7". Home & Kitchen. Home Dcor. RYOT.
B: New Star Foodservice 44126 Fast Food Baskets, 9.25 x 6 inch Oval, Set of 12, Green. Home & Kitchen. Kitchen & Dining. New Star Foodservice.
C: Adamanta 16GB (2x8GB) Apple Memory Upgrade for Late 2015 iMac 27" DDR3L 1867Mhz PC3L-14900 SODIMM 2Rx8 CL13 1.35v RAM. Electronics. Computers & Accessories. Adamanta Memory.
D: Hip Street God Of War 8 GB USB Drive (HS-USBSNY-8GOW). Electronics. Computers & Accessories. Hipstreet.
E: Victorinox Cybertool Lite Translucent Ruby Multi-Tool. Sports & Outdoors. Outdoor Recreation. Victorinox.
F: Emile Henry Made In France HR Modern Classics Salt Pig, Green. Home & Kitchen. Kitchen & Dining. Emile Henry.
G: Uncle Milton - Shooting Stars in My Room. Home & Kitchen. Home Dcor. Uncle Milton.
H: BAVISION Wifi IP Camera Wireless Home Security Trailer Cameras Dog/ Baby Monitor Video Nanny Cam Night Vision plug/play Pan/Tilt with Two-Way Audio. Electronics. Camera &...
I: Acoustic Audio CS-PS10-B Front Firing Subwoofer (Black). Electronics. Home Audio. Acoustic Audio by Goldwood.
J: Clicgear Push Cart Cooler Bag. Sports & Outdoors. Fan Shop. Clicgear.
K: RioRand LCD Security PTZ (Pan Tilt Zoom) Speed Dome Camera 3D Keyboard Controller - Using 3 Axis Joystick to Control the Pan/Tilt Direction and Speed...
L: Elite Home Brianna Collection 300-Thread-Count Cotton Reversible Twin Duvet Set, Teal. Home & Kitchen. Bedding. Elite Home.
M: Pinty Tactical 1x40mm Reflex Red/Green Dot Sight Riflescope with Free 20mm Mount Rails. Sports & Outdoors. Sports & Fitness. Pinty.
N: New Era NFL Biggest Fan 2.0 Cuff Knit Beanie. Sports & Outdoors. Fan Shop. New Era.
O: Craig Frames B222 24x36-Inch Mat, Single Opening for 20x30-Inch Image, Smooth White with Cream Core. Home & Kitchen. Home Dcor. Craig Frames.
P: White Noise Machine Sound Machine for Babies| Sleep Therapy Machine Support TF Card Playback, 5 Relaxing Soothing Sounds| Rechargeable Sleep Sound Machine for Kids, Tinnitus...
Q: Schwalbe Thunder Burt Folding Bead Evolution Line Tire. Sports & Outdoors. Outdoor Recreation. Schwalbe.
R: Vanguard VEO 42 Backpack. Electronics. Computers & Accessories. Vanguard.
S: Our Name Is Mud by Lorrie Veasey "Daddy Needs Coffee" Mug, 4-1/2-Inch. Home & Kitchen. Kitchen & Dining. Enesco.
T: Tough 1 Extreme Vented Sport Boots Set. Sports & Outdoors. Sports & Fitness. Tough 1.
Answer: M