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

Input:
1st: Nikon DSLR Tip Cards Cheat Sheets for D3400 D3300 D3200 D5600 D5500 D5300 D5200 D5100 D7200 D7100 D7000 D810 D800 D610 D600 D750 D700 D300S...
2nd: (2 Pack) EN-EL14 / EN-EL14a Battery and Charger Kit for NIKON DSLR D5300 D5200 D5100 D3300 D3200 D3100, COOLPIX P7800 P7700 P7100 P7000, Nikon DF...
3rd: Nikon WU-1a Wireless Wi-Fi Mobile Adapter with Instructional DVD + Cleaning Kit for Coolpix A, P330, P520, P530, P7800, DF, D3200, D3300, D5200 & D7100...
4th: Fotasy VNS Soft Multi-Color Neck Strap & Cleaning Cloth for Canon Fuji Nikon Olympus Panasonic Pentax Sony Cameras. Electronics. Camera & Photo. Fotasy.
5th: LG Popo Pocket Photo Printer PD239 (White) Bundle with 30-Pack of Inkless Photo Paper for Android, iOS. Electronics. Camera & Photo. LG.
6th: MegaGear ''Ultra Light'' Professional Camera Case Bag with Rain Cover for Canon 5D MK III, 80D, T6, 7D, T5i, Nikon D5600, D500, D750, D810, D7200,...

Options:
A: LIDORE Set of 10 Halloween 3D Jack-O-Lantern Pumpkin Decoration String Lights-for Holiday, Festival, Party Decor. Home & Kitchen. Seasonal Dcor. LIDORE.
B: Mega Bloks Star Trek U.S.S. Enterprise NCC-1701 Collector Construction Set. Home & Kitchen. Home Dcor. Mega Bloks.
C: Kohree 2 pack of LED Flameless Candles Multiple Colors Pillar Candle Remote Timer, Color Changing Candles, Battery Operated, extra remote controls included. Home & Kitchen...
D: Scanpan (60002400) Professional 9.5-Inch Fry Pan. Home & Kitchen. Kitchen & Dining. Scanpan.
E: Le Creuset of America Pepper Mill, 8-Inch, Caribbean. Home & Kitchen. Kitchen & Dining. Le Creuset.
F: Daiwa WLDR 862MHR Wilderness Downrigger Trolling Rod, 8-1/2-Feet, 2 Piece. Sports & Outdoors. Sports & Fitness. Daiwa.
G: A Pair Black Ear Cushion Replacement Ear Pads Ear Cups For Sony MDR-V150 V250 V300 V100 V200 V400 DR-BT101 ZX100 ZX300 Headphones Headset 70MM. Electronics...
H: Schutt Sports Fielder's Guard Replacement Parts. Sports & Outdoors. Sports & Fitness. Schutt.
I: Innovera 81910 Slim CD Case, Assorted Colors (Pack of 10). Electronics. Accessories & Supplies. Innovera.
J: Mustad UltraPoint Demon Perfect Offset Circle 1 Extra Strong Hook with Kirbed Point.  Mustad.
K: DS18 TX1S Tweeter X1 1.38-inch 200 Watts Max Pei Dome Ferrite Tweeters with Mounting Kit Angle, Flush, Surface - Set of 2 (Black/Silver). Electronics. Car...
L: NcStar VISM 2910 Pistol Subgun Gun Case. Sports & Outdoors. Sports & Fitness. NcSTAR.
M: Nesco American Harvest FD-35BJW-5 Snackmaster Entre Fodd Dehydrator with Jerky Kit. Home & Kitchen. Kitchen & Dining. Nesco.
N: Orion 5052 Dovetail L-Bracket for VersaGo Telescope Mount. Electronics. Camera & Photo. ORION.
O: Dr. Scholl's Men's Coolmax Firm Support Socks. Sports & Outdoors. Sports & Fitness. Dr. Scholl's.
P: IKEA Kallax Bookcase Room Divider Cube Display. Home & Kitchen. Furniture. IKEA.
Q: Crescent Moon ExerSocks (3-pack) Non-Slip Grip Socks. Sports & Outdoors. Sports & Fitness. Crescent Moon.
R: Altura Photo Professional Cleaning Kit for DSLR Cameras and Sensitive Electronics Bundle with Refillable Spray Bottle. Electronics. Camera & Photo. Altura Photo.
S: Luxury PREMIUM Shredded Memory Foam Pillow { Standard / Queen } Cooling Sleeping Hotel Quality Adjustable Loft - Back or Side Sleeper Pillow Cool Bed...
T: Coleman Stainless Steel Percolator, 12 Cup. Home & Kitchen. Kitchen & Dining. Coleman.
Answer: R