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: Panasonic Lumix DMC-G1 12.1MP Micro Four Thirds Interchangeable Lens Digital Camera with Lumix G Vario 14-45 mm f/3.5-5.6 ASPH Mega OIS Lens (Black). Electronics. Camera...
2nd: ToJoy Vintage Look Britpop DSLR Camera Bag for Canon Nikon Sony Pentax Red Brown. Electronics. Camera & Photo. KADA.
3rd: Toshiba Canvio 750 GB USB 3.0 Basics Portable Hard Drive - HDTB107XK3AA(Black). Electronics. Computers & Accessories. Toshiba.

Options:
A: Trijicon HD Night Sight Set. Sports & Outdoors. Sports & Fitness. Trijicon.
B: Brookstone French Cane Folding Chairs, Set of Two. Home & Kitchen. Furniture. Brookstone.
C: J.A. Henckels 45pc Angelico Flatware Set. Home & Kitchen. Kitchen & Dining. ZWILLING J.A. Henckels.
D: 6pcs Addicore nRF24L01+ 2.4GHz Wireless Transceiver Arduino Compatible in Antistatic Foam. Electronics. Computers & Accessories. Addicore.
E: Spenco Silicore Bed Pad, 78 x 36 Inches. Home & Kitchen. Bedding. Spenco.
F: Sony VG-C77AM Vertical Grip for A77. Electronics. Camera & Photo. Sony.
G: Ocean Rodeo Go Joe Leashless Kitesurfing Board Retrieval Device. Sports & Outdoors. Outdoor Recreation. Ocean Rodeo.
H: EBL Pack of 4 Motorola SD-7501 Rechargeable Cordless Phone Battery 3.6V NiMH for Motorola MD-4260 MD-7101 MD-7151 MD-7161 MD-7250 MD-7251 MD-7260 MD-7261. Electronics. Accessories &...
I: Wilton Pink Candy Melts Candy, 12 oz. Home & Kitchen. Kitchen & Dining. Wilton.
J: Zvation Wireless Meat Thermometer – BBQ, Grill, Smoker or Oven Cooking Wireless Long Range Digital Food Thermometer with Countdown Kitchen Timer - 2 Stainless Steel...
K: Bluetooth Headset, Sweatproof V4.0 Wireless Bluetooth Earphones In-Ear Noise Cancelling Headphones Earbuds with Microphone & Stereo for Running Sports with Magnet Attraction (Red). Electronics. Headphones...
L: Control Tech CLS AL6061 Rise MTB Handlebar. Sports & Outdoors. Outdoor Recreation. Control Tech.
M: Altec Lansing 251 5.1 Computer Speakers (6-Speaker, Black & Silver). Electronics. Computers & Accessories. Altec Lansing.
N: Nikon BM-12 LCD Monitor Cover for D800 Digital SLR. Electronics. Camera & Photo. Nikon.
O: CWK Laptop Charger AC Adpater Power Supply Cord Plug for Acer Aspire E1-571-6472 E1-571-6607 E1-571-6848 E1-571-6490 E1-571-663E1-571-6659 E1-571-6680 E1-571-6801 E1-571-6811 E1-571-6856 E1-572-6648 E1-572-6477 E1-572-648 Aspire...
P: Kayond 13-13.3 Inch Laptop Messenger Bag for MacBook Pro/MacBook Air/Ultrabook Notebook Carrying Case Handbag sleeve for 13” 13.3” ASUS Acer Lenovo Dell HP Toshiba Chromebook...
Q: Cisco RVL200 4-Port SSL/IPsec VPN Router. Electronics. Computers & Accessories. Cisco.
R: Tom America INC Black Portable MP4 Player MP3 Player Video Player with Photo Viewer , E-Book Reader , Voice Recorder + 16 GB Micro SD...
S: Rosewill RCA-220-BL 220mm 4 Blue LED Case Fan. Electronics. Computers & Accessories. Rosewill.
T: KOMPUTERBAY 8GB (4X 2GB) DDR2 800MHz PC2-6300 PC2-6400 (240 PIN) DIMM Desktop Memory with Samsung Semiconductors. Electronics. Computers & Accessories. KOMPUTERBAY.
Answer: P