Instruction: Rank the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
1st: iPearl mCover Hard Shell Case for 13.3" HP Stream 13 Cxxx Series Windows laptops (Purple). Electronics. Computers & Accessories. mCover.
2nd: (Discontinued) HP Stream 11.6 Inch Laptop (Intel Celeron, 2 GB, 32 GB eMMC , Horizon Blue) Includes Office 365 Personal for One Year. Electronics. Computers...

Options:
A: Prosource Fit Stability Exercise Ball with Foot Pump, Black 55, 65 cm or 75 cm, Anti-Burst up to 2,000 lb. for Fitness, Pilates, Balance, and...
B: Venom Molded Mug Standard. Home & Kitchen. Kitchen & Dining. Marvel.
C: uxcell Sequin Flower Decor Hand Held Fan Black Fuchsia. Home & Kitchen. Home Dcor. uxcell.
D: Yescom 177" 16:9 DIY Projection Screen Material Matte White PVC Coated 154"x86" In/Outdoor Home Conference Room. Electronics. Television & Video. Yescom.
E: SKLZ Speedsac- Adjustable Weight Sled Trainer for Sprinters (10-30 lbs). Sports & Outdoors. Sports & Fitness. SKLZ.
F: Wilson Electronics  DB Pro Indoor Cellular Signal Booster Kit for the Entire House - Retail Packaging - Gray (Discontinued by Manufacturer). Electronics. Accessories &...
G: Oakley Men's Performance Basic Crew Sock 5 Pack. Sports & Outdoors. Sports & Fitness.
H: Crane EE-6353 Space Heater 600/1200 Watt. Home & Kitchen. Heating, Cooling & Air Quality. Crane USA.
I: ASICS Competition 3.0G Volleyball Kneepads (1 Pair). Sports & Outdoors. Sports & Fitness. ASICS.
J: Creative Dining Group Water Hyacinth Braided Natural Placemat, 15". Home & Kitchen. Kitchen & Dining. Creative Dining Group.
K: Ontario Knife Company 7045 79-8" Oh Cook Knife. Sports & Outdoors. Sports & Fitness. Ontario Knife Co.
L: Equinox Bilby Ultralite Stuff Bag. Sports & Outdoors. Outdoor Recreation. Equinox.
M: HDE Ultra-Thin Wireless Mouse 2.4GHZ Ergonomic Candy Colored Optical Mouse with USB Nano Receiver and Adjustable DPI Switch (Black). Electronics. Computers & Accessories. Electronics 4...
N: Gamehide Deerhunter Parka. Sports & Outdoors. Sports & Fitness. Gamehide.
O: Mountain Woods Red Art Deco Bowl. Home & Kitchen. Kitchen & Dining. Mountain Woods.
P: Apple MacBook Pro ME294LL/A 15.4-Inch Laptop with Retina Display (OLD VERSION). Electronics. Computers & Accessories. Apple.
Q: Victorinox Swiss Army One Hand Sentinel Clip Pocket Knife. Sports & Outdoors. Outdoor Recreation. Victorinox Swiss Army.
R: United Curtain Sinclair Embroidered Grommet Valance, 54 by 18-Inch, Apple. Home & Kitchen. Home Dcor. United Curtain.
S: Monoprice 2 Bay USB 3.0 DAS Button Tray RAID Enclosure - Black (110202). Electronics. Computers & Accessories. Monoprice.
T: Oneida Everdine 45 Piece Casual Flatware Set, 18/0 Stainless, Service for 8. Home & Kitchen. Kitchen & Dining. Oneida.
Answer: M