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

Input:
1st: Thermos Stainless-Steel Vacuum Insulated Bottle. Home & Kitchen. Kitchen & Dining. Thermos.
2nd: Watts 500310 UC-2 Under Counter 2-Stage Water Filtration System. Home & Kitchen. Kitchen & Dining. Watts Premier.

Options:
A: US Army Alpha Elite Paintball Marker with E-Grip, Black. Sports & Outdoors. Sports & Fitness. US Army.
B: DNM Mountain Bike Rear Shock 750 lbs. Sports & Outdoors. Outdoor Recreation. DNM.
C: Intel Core i7-5960X Haswell-E 8-Core 3.0GHz LGA 2011-v3 140W Desktop Processor BX80648I75960X. Electronics. Computers & Accessories. Intel.
D: National Artcraft Flat Acrylic Photo Holder Measures 8" X 10" (Pkg/3). Home & Kitchen. Home Dcor. National Artcraft.
E: Sassafras Little Cook Children's Kitchen Tools in Herb Pot Gift Set. Home & Kitchen. Kitchen & Dining. Sassafras.
F: Speedo Kid's Aqua Quest Mask/Snorkel/Fin Set. Sports & Outdoors. Outdoor Recreation. Speedo.
G: WXBUY Large Outdoor Molle Assault Tactical Backpack Military Rucksack Backpack Bag USA (CP). Sports & Outdoors. Outdoor Recreation.
H: BLUSOW Trekking Poles Ultralight Anti Shock Walking Hiking Sticks with Adjustable Height & Free Four Pairs of Rubber Feet & Snow Disks(2 Pack). Sports &...
I: O'Neill  Men's Basic Skins UPF 50+ Long Sleeve Sun Shirt. Sports & Outdoors. Outdoor Recreation. O'Neill Wetsuits.
J: LG Stereo Headset for  Answer/end button for Music mutes with incoming call for LG VX9700 Dare, AX585, VX8560 Chocolate 3,. Electronics. Headphones. LG.
K: Tree-Free Greetings sg24114 Browns Football Fan Sip 'N Go Stainless Steel Lined Travel Tumbler, 16-Ounce. Home & Kitchen. Kitchen & Dining. Tree-Free Greetings.
L: Seville Classics WEBK400 Bins for Commercial Bin Rack System, 3-Pack. Home & Kitchen. Wall Art. Seville Classics.
M: Earphones,The 0ne Premium Earphones with Stereo Mic & volume control for iPhone Samsung Android Smartphone (black). Electronics. Headphones. The 0ne.
N: Watts Premier 560088 Lead, Cyst, VOC Carbon Block Two Stage Replacement Filter Pack. Home & Kitchen. Kitchen & Dining. Watts Premier.
O: American Collection 300 Thread Count 100% Long Staple Egyptian Cotton Luxury Hotel Quality Standard/Queen White Solid 2PC Pillowcases - 20" X 30". Home & Kitchen...
P: Pwr+ Ac Adapter Power Supply Cord Laptop Charger for Gateway Notebooks Battery Charger Ac Power Cord. Electronics. Computers & Accessories. PWR+.
Q: Garland Rug Beach Stripe Bath Rug, 21" x 34", Cinder Grey/White. Home & Kitchen. Bath. Garland Rug.
R: LUCID 1/2" Quilted Memory Foam Mattress Pad with Bamboo Cover - King. Home & Kitchen. Bedding. Lucid.
S: Cinebags AC Pouch CB03. Electronics. Camera & Photo. CineBags.
T: Mitsubishi 915P061010 DLP Replacement Lamp with Philips Bulb. Electronics. Accessories & Supplies. Philips.
Answer: N