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: Canon EOS 60D 18 MP CMOS Digital SLR Camera with EF-S 18-200mm f/3.5-5.6 IS Lens (discontinued by manufacturer). Electronics. Camera & Photo. Canon.
2nd: Studiohut 4 channel Wireless Radio Hot Shoe Flash Trigger Kit for Canon EOS, Nikon, Olympus & Pentax Flashes with 2 Receivers. Electronics. Camera & Photo...
3rd: Speedlite YN560 Flash for Canon, Nikon, Pentax, Olympus Cameras. Electronics. Camera & Photo. YONGNUO.
4th: Kenwood KSC-SW11 Compact Powered Enclosed Subwoofer for CAR. Electronics. Car & Vehicle Electronics. Kenwood.

Options:
A: Statuary From India 1 x Shiva (Natraj) Brass Statue, 4" L x 4" W. Home & Kitchen. Home Dcor. Statuary From India.
B: ZSTBT DM-300LW/3 300LED 9.84ft9.84ft/3m3m Window Curtain Lights for Party Wedding Home Patio Lawn Garden, White. Home & Kitchen. Seasonal Dcor. ZSTBT.
C: Arduino GPS Shield. Electronics. GPS, Finders & Accessories. Dexter Industries.
D: AMSCAN 171416 Birthday Candle Set | Disney Frozen Collection | Party Accessory, 4-Count, Molded. Home & Kitchen. Home Dcor. Amscan.
E: Tetyana naturals Teeth whitening Pen. Electronics. Computers & Accessories. Tetyana naturals.
F: New Black Soft Silicone Case Protector for Apple Ipod Touch 4 Gen. Electronics. Portable Audio & Video. MyBat.
G: SHIMANO TL-FC15 Extension for TL-FC10. Sports & Outdoors. Outdoor Recreation. SHIMANO.
H: IRONMAN Triathlon X-Class Olympic Preacher Curl & Leg Developer Attachment. Sports & Outdoors. Sports & Fitness. IRONMAN.
I: Koss KPH14V Side Firing Headphone (Violet). Electronics. Headphones. Koss.
J: Burris 626006 x 40mm Tube Bubble Level 30mm & 34mm, Black. Sports & Outdoors. Sports & Fitness. Burris.
K: Harris Engineering 1A225C Solid Base 13.5 - 27-Inch BiPod. Sports & Outdoors. Sports & Fitness. Harris Engineering.
L: SkyWatcher S20510 Star Adventurer Astro Package (Black). Electronics. Camera & Photo. Sky Watcher.
M: Musou Digital Optical Coax to Analog RCA Audio Converter Adapter with Fiber Cable. Electronics. Accessories & Supplies. Musou.
N: OneTigris PJ Type Tactical Helmet for Airsoft Paintball. Sports & Outdoors. Sports & Fitness. OneTigris.
O: Soehnle 4-Pound Attache Scale. Home & Kitchen. Kitchen & Dining. Soehnle.
P: Apple iMac Desktop with 17" Display MA199LL/A (1.83 GHz Intel Core Duo, 512 MB RAM, 160 GB Hard Drive, SuperDrive) (Discontinued by Manufacturer). Electronics. Computers...
Q: Tomameri -Portable MP3 Music Player with a 16 GB Micro SD Card. Supporting Photo Viewer, Video-Silver. Electronics. Portable Audio & Video. Tomameri.
R: Skip Hop Zoo Toddler Kids Insulated Backpack Picasso Penguin, 12-inches, Multicolored. Electronics. Security & Surveillance. Skip Hop.
S: Folklore Enamel Camping Coffee Mug, Night Design, Blue (14 Ounces). Home & Kitchen. Kitchen & Dining. Folklore.
T: EBL 600mAh 9 Volt Li-ion Rechargeable 9V Batteries Lithium-ion, 8 Pack. Electronics. Camera & Photo. EBL.
Answer: M