Instruction: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
1st: Canon PowerShot A510 3.2MP Digital Camera with 4x Optical Zoom. Electronics. Camera & Photo. Canon.
2nd: Ipevo PadPillow Stand for iPad Air & iPad 4/3/2/1Nexus/Galaxy - Charcoal Gray (MEPX-07IP). Electronics. Computers & Accessories. Ipevo.
3rd: HP TouchPad Wireless Keyboard. Electronics. Computers & Accessories. Hewlett Packard.
4th: Samsung B300 Series S23B300B 23-Inch Full HD LED-Lit Monitor. Electronics. Computers & Accessories. Samsung.
5th: I-Ecko 15.6" Laptop Carrying Case Black. Electronics. Computers & Accessories. i-Ecko.
6th: OP/TECH USA Super Classic Strap - Bino 3/8-Inch (Black). Electronics. Camera & Photo. OP/TECH USA.
7th: Sony NEX-3NL/B Mirrorless Digital Camera Kit (Black). Electronics. Camera & Photo. Sony.
8th: Sony LCSEMF/B Camera Case for Sony E-mount Cameras. Electronics. Camera & Photo. Sony.
9th: Sony 50mm f/1.8 Mid-Range Lens for Sony E Mount Nex Cameras. Electronics. Camera & Photo. Sony.
10th: Ape case messenger bag camera case high visibility interior Green (AC520G). Electronics. Camera & Photo. Ape Case.
11th: BlackRapid RS10SC-1AO Metro Camera Strap (Black). Electronics. Camera & Photo. BlackRapid.
12th: Amazon Kindle Fire HD Standing Leather Origami Case (will only fit Kindle Fire HD 7"), Black. Electronics. Computers & Accessories. Amazon.
13th: Sony E 55-210mm F4.5-6.3 Lens for Sony E-Mount Cameras (Silver). Electronics. Camera & Photo. Sony.
14th: Giottos AA1900 Rocket Air Blaster Large - Black. Electronics. Camera & Photo. Giotto's.
15th: Burton Technologies ABR-BLACK Acoustibuds Original Flexible Tips for earphones and Bluetooth, 3 Pair, 3 Sizes, BLACK (Discontinued by manufacturer Replaced by Acoustibuds Model EPB). Electronics...
16th: Ape Case Envoy DSLR Bag, DSLR Messenger Bag, DSLR Shoulder Bag, Carry On Messenger Bag, School Messenger Bag, Nylon, Blue. Electronics. Camera & Photo. Ape...
17th: Arkon Camera Car Dashboard Mount for Sony Samsung Panasonic Nikon Cameras. Electronics. Camera & Photo. ARKON.
18th: Vivitar 49mm Close Up Lens Set +1 +2 +4 +10 - VIV-CL-49. Electronics. Camera & Photo. Vivitar.
19th: Sigma 19mm  F2.8 EX DN -Micro 4/3 400963. Electronics. Camera & Photo. Sigma.
20th: Rokinon 8mm F2.8 Ultra-Wide Fisheye Lens for Sony E-mount and Sony NEX Cameras 28FE8BK-SE Black. Electronics. Camera & Photo. Rokinon.
21st: Tamrac 5371 Travel Pack 71 Photo Backpack (Blue). Electronics. Camera & Photo. Tamrac.
22nd: Sony NEX Mount Adaptor with Translucent Mirror Technology. Electronics. Camera & Photo. Sony.
23rd: Sony A6000, A6300, A6500 Flash Bounce Cards. Electronics. Camera & Photo. A6000, A6300, A6500 Flash Bounce Card.
24th: Opteka 500mm f/6.3 HD Telephoto Mirror Lens for Sony Alpha E-Mount a9, a7r, a7s, a7, a6500, a6300, a6000, a5100, a5000, NEX-7, NEX-6, 5T, 5N, 5R,...
25th: Timbuk2 Snoop Camera Insert. Electronics. Camera & Photo. Timbuk2.
26th: Micca 7-Inch Digital Photo Frame With High Resolution LCD and Auto On/Off Timer (M703). Electronics. Camera & Photo. Micca.
27th: VidPro TC-27 Padded Tripod Bag carries 27-Inch Long Tripods. Electronics. Camera & Photo. VidPro.
28th: Manfrotto MK293A3-A0RC2 293 Aluminum Tripod Kit with Ball Head and Quick Release. Electronics. Camera & Photo. Manfrotto.
29th: Macbook Charger 85W 18.5V 4.6A Magnetic Laptop Power Charger AC Adapter for Macbook Pro 15" 17"/ Unibody 15" 17" [until Summer 2012 Models]. Electronics. Camera...
30th: HDE Shockproof Carrying Case for External Hard Drive Ultra Slim Protective Hard Shell Pouch for Portable Storage Devices My Passport Wi-Drive Ultra Slim Organizer Travel...
31st: Arkon GPS Friction Dash Mount for Garmin TomTom GPS Sirius Satellite Radios iPhone 6S 6 Plus 6S 6 5S 5C iPad mini. Electronics. GPS, Finders...
32nd: F-color™(2 Packs) [Apple MFi Certified] 6.6Feet/2Meter Extra Long Lightning Charge and Data Sync Cable with Tangle-free Woven Jacket and Premium Aluminum 8 pin Connector for...
33rd: KHOMO iPad Mini 1 2 3 Case - DUAL Series - ULTRA Slim Twill Grey Cover with Auto Sleep Wake Feature for Apple iPad Mini...
34th: Logitech Ultrathin Keyboard Cover for iPad 2/3 - Red. Electronics. Computers & Accessories. Logitech.
35th: Stylus Pens for Touch Screens, Cambond 2-in-1 Ballpoint Pens and Stylus for iPad, iPhone, Samsung, Tablet, Galaxy Note 8, and Other Touch Screens Devices (Orange/Green/Blue/Red/Black)...
36th: Evecase DSLR Camera Bag Backpack, Laptop Travel Large Waterproof Camera Insert with Tripod Holder and Rain Cover Camera Case for Canon Sony Nikon Mirrorless Lens...
37th: Tokina AT-X 100mm f/2.8 PRO D Macro Lens for Canon EOS Digital and Film Cameras. Electronics. Camera & Photo. Tokina.
38th: Professional Set of Universal 2 in 1 Powerful LED Macro Ring Light & Flash with 52 - 77mm Step Rings and Left and Right Flash...
39th: Canon EF-S 55-250mm f/4-5.6 IS STM Zoom Lens for Canon EOS 7D, 60D, EOS Rebel SL1, T1i, T2i, T3, T3i, T4i, T5i, XS, XSi, XT,...
40th: Altura Photo Professional Flash Kit for Canon DSLR with E-TTL Flash AP-C1001, Wireless Flash Trigger Set and Accessories. Electronics. Camera & Photo. Altura Photo.
41st: Indigo Marble CB12 Camera Strap Tether, Strong Safety Leash for Your DSLR, Will Work with Any Sling That's 1.5" Wide or Less with Durable Metal...
42nd: Transcend 8 GB High Speed Class 10 UHS Flash Memory Card TS8GSDHC10U1 85/22 MB/s. Electronics. Computers & Accessories. Transcend.
43rd: OP/TECH USA 1301322 Adapt-Its - System Connectors. Electronics. Camera & Photo. OP/TECH USA.
44th: MoKo Case for Kindle Paperwhite, Premium Vertical Flip Cover with Auto Wake/Sleep Fits All Paperwhite Generations Prior to 2018 (Will not fit All-New Paperwhite 10th...
45th: AmazonBasics Medium DSLR Gadget Bag (Orange interior). Electronics. Camera & Photo. AmazonBasics.
46th: Evecase Black Large Digital SLR Camera and lens Carrying Pouch Nylon Bag/Case with Strap for Canon EOS 70D, 6D, 60D, EOS Rebel SL1, T5, T5i,...
47th: OP/TECH USA Utility Loop Connector - System Connectors. Electronics. Camera & Photo. OP/TECH USA.

Options:
A: Tamron AF 18-200mm F/3.5-6.3 Di-II VC All-in-One Zoom for Canon APS-C Digital SLR. Electronics. Camera & Photo. Tamron.
B: BARSKA 4x32 Plinker-22 Riflescope w/ 3/8-Inch Dovetail Rings. Sports & Outdoors. Sports & Fitness. BARSKA.
C: SmartWool Men's PhD Outdoor Heavy Crew Socks - Past Season. Sports & Outdoors. Outdoor Recreation. SmartWool.
D: Creative Labs Muvo NX 256 MB MP3 Player. Electronics. Portable Audio & Video. Creative.
E: Terk RG6 Indoor/Outdoor, Satellite/Cable/Antenna Coaxial Cable - 100' (Discontinued by Manufacturer). Electronics. Accessories & Supplies. Terk.
F: Driveway Games All Weather Cornhole Set. Regulation Corn Toss Boards & Bean Bags. Family Outdoor Lawn Yard Game. Sports & Outdoors. Sports & Fitness. Driveway...
G: Thermos 48-Ounce Wide Mouth Stainless-Steel Bottle (Discontinued by Manufacturer). Home & Kitchen. Kitchen & Dining. Thermos.
H: SwitchEasy Colors Silicone Case for iPod Touch 4G (Stealth). Electronics. Portable Audio & Video. SwitchEasy.
I: HD Vision Glasses for TV & Computer As Seen on TV NEW. Electronics. Accessories & Supplies. HD Vision.
J: PetOde Clothes Folding Board, Romantic Pink. Home & Kitchen. Storage & Organization. PetOde.
K: 12L Hydration Pack with 2L Hydration Bladder - Hiking Travel Water Bag Rucksack - Waterproof Bladder Backpack for Camping Running Cycling Biking Backpacking Climbing Reservoir...
L: Sandistore 50PCS Color Wood Clothespin Clips Note Pegs Mixed for Photo Paper Clothes. Home & Kitchen. Home Dcor. Sandistore.
M: Rem 3 Shot Plug Mdl 870 1100 11-87. Sports & Outdoors. Sports & Fitness. Remington.
N: Hossen® Mini GPS Gprs GSM Tracker Car Vehicle SMS Real Time Network Monitor Tracking. Electronics. Car & Vehicle Electronics. hossen.
O: DEWALT 20V MAX/12V Jobsite Radio and Battery Charger (DCR015). Electronics. Portable Audio & Video. DEWALT.
P: PIONEER DEH-X2600UI Single-DIN In-Dash CD Receiver with MIXTRAX(R) Android(TM) Media Access & 1 Set of RCAs (Discontinued by Manufacturer). Electronics. Car & Vehicle Electronics. Lambow.
Q: SOG Flash I Assisted Folding Knife FSA7-CP - Satin Polished 2.5" Straight Edge Blade, GRN Handle. Sports & Outdoors. Outdoor Recreation. SOG.
R: Guzzini Feeling Transparent Sugar Dispenser. Home & Kitchen. Kitchen & Dining. Guzzini.
S: Strolling in Paris - A Beautiful 16x20in Size Eiffel Tower Stretched Canvas; Ready to Hang!. Home & Kitchen. Wall Art. PosterArtNow.
T: Storage Bins Storage Bags Sweater Storage Closet Organizer,Clothes Storage Containers, Closet Organizers and Storage, Large Clear Window & Carry Handles, Great for Clothes, Blankets, Closets...
Answer: A