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: Avery 8891 Inkjet DVD Case Inserts, Matte White (Pack of 20). Electronics. Accessories & Supplies. Avery.
2nd: Targus Checkpoint-Friendly Air Traveler Backpack for 16-Inch Laptops, Black (TBB012US). Electronics. Computers & Accessories. Targus.

Options:
A: Neewer Photography Photo Studio Video Wall Ceiling Mount 5/8" Stud with 1/4" Thread. Electronics. Camera & Photo. Neewer.
B: Pyrex Measuring Cups. Home & Kitchen. Kitchen & Dining. Pyrex.
C: WD My Passport 2TB Portable External USB 3.0 Hard Drive Storage Black (WDBY8L0020BBK-NESN). Electronics. Computers & Accessories. Western Digital.
D: Toshiba 42TL515U 42-Inch Natural 3D 1080p 240 Hz LED-LCD HDTV with Net TV, Black (2011 Model). Electronics. Television & Video. Toshiba.
E: Dorel Living Queen Metal Bed, Antique Pewter. Home & Kitchen. Furniture. Dorel Living.
F: Beach Mat, Picnic Mat, Camping Mat, All Purpose Mat - Use the Waterproof Mat, Large Mat is 57"x80". Sports & Outdoors. Outdoor Recreation. Paryvara.
G: Rainleaf LED Tabletop Cherry Blossom Tree Bonsai, 24 LED Lights, Ideal for Christmas, Holiday, Home, Party, Wedding, Flexible Branches for DIY Shapes, Warm White Light...
H: Buck Knives 120 General 5160 BOS Carbon Steel Fixed Blade Knife W/Sheath. Sports & Outdoors. Sports & Fitness. Buck Knives.
I: Under Armour Boys HeatGear Armour Short Sleeve Fitted Shirt. Sports & Outdoors. Sports & Fitness. Under Armour.
J: Philips Fidelio Docking Speaker iPod, iPhone and iPad, DS3510. Electronics. Portable Audio & Video. Philips.
K: Wean Green Glass Baby Food Storage Containers Starter Set, 12 pieces. Home & Kitchen. Kitchen & Dining. Wean Green.
L: Apricorn Aegis Padlock 640 GB USB 2.0 256-bit Encrypted Portable External Hard Drive A25-PL256-640 (Grey). Electronics. Computers & Accessories. Apricorn.
M: Onkyo A-9050 Integrated Stereo Amplifier (Black). Electronics. Home Audio. Onkyo.
N: 100% Solid Wood 3-Sliding Door Wardrobe/Armoire/Closet/Mudroom Storage by Palace Imports 5676 Java, 52"w x 72"h x 22.5"d. 1 Large/4 Small Shelves, 1 Rod Included. Extra...
O: CaseBuy Semi-Purple Ultra Thin Silicone Keyboard Cover Protector Skin for Toshiba Satellite C50-A, C50D-A, C50T-A, C55-A, C55D-A, C55T-A, C55Dt-A, C70-A, C70D-A, C75-A, C75D-A, C875, C875D...
P: Merryfeel Cotton Sateen 300 Thread Count Embroidered Lace Sheet Set - Full. Home & Kitchen. Bedding. Merryfeel.
Q: Leifheit 82001 Rotary Dryer Linomatic 500 Deluxe. Home & Kitchen. Storage & Organization. Leifheit.
R: Dogxiong Gray Grey Touch Stylus Pen Replacement Parts for LG G Stylo (Stylus,LS770,H631 H635 H634 MS631). Electronics. Computers & Accessories. DogXiong.
S: Rubbermaid Large Pantry Organizer Bin, Clear 1951587. Home & Kitchen. Kitchen & Dining. Rubbermaid.
T: Our Name Is Mud by Lorrie Veasey Dog Hair Mug, 4-1/2-Inch. Home & Kitchen. Kitchen & Dining. Enesco.
Answer: C