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: Potable Aqua Water Purification Treatment (50 Tablets) - Portable Drinking Water Treatment Ideal for Emergencies, Survival, Travel, and Camping. Sports & Outdoors. Outdoor Recreation. Potable...
2nd: Chainmate CM-24SSP 24-Inch Survival Pocket Chain Saw With Pouch. Sports & Outdoors. Outdoor Recreation. Chain-Mate.
3rd: Mylar Men's Emergency Thermal Blankets (10 Pack). Sports & Outdoors. Outdoor Recreation. Mylar.
4th: BSA 30mm Red Dot Scope with 5 MOA. Sports & Outdoors. Sports & Fitness. BSA.
5th: Camouflage Survival Kit Knife . Sports & Outdoors. Outdoor Recreation. Rothco.
6th: Travel John 18 Disposable Urinals Men, Women & Children. Sports & Outdoors. Outdoor Recreation. Travel John.

Options:
A: Pretty Floral Sleep Tee Cotton Sleepwear Nightwear Women Ladies Red White C224B. Home & Kitchen. Home Dcor. Mystere Paris.
B: Hanger Stacker Organizer Rack Chrome, 1 Each by The Great American Hanger Company. Home & Kitchen. Storage & Organization. The Great American Hanger Company.
C: TomTom VIA 1605M GPS Navigator with Lifetime Maps (Discontinued by Manufacturer). Electronics. GPS, Finders & Accessories. TomTom.
D: Prayer for a Teacher Mug and Coaster Set. Home & Kitchen. Kitchen & Dining. Abbey Gift.
E: Pimpernel Pure Placemats Set of 4 16" X 12. Home & Kitchen. Kitchen & Dining. Pimpernel.
F: XGear Shadow Premium Carbon Protection for 13-Inch MacBook Unibody. Electronics. Computers & Accessories. XGear LLC.
G: Holmes Energy Saving Fan-Forced Heater with Eco-Smart Technology - Black. Home & Kitchen. Heating, Cooling & Air Quality. Holmes.
H: SONY MDR-EX650 B Inner ear Headphones Brass black. Electronics. Headphones. Sony.
I: SereneLife Upgraded Electronic Air Dehumidifier - Breathe Easier Odor Eliminator Moisture Control Ventilation Fan Reusable Air Filter Removable Water Tank Rooms up to 1600 Cu...
J: i-Blason Asus Transformer Pad Infinity TF700T TF700 10.1 Tablet Leather Folio Carry Case / Stylus / Cover With Adjustable Stand -Three Year Warranty (Blue). Electronics...
K: [UL Listed] Pwr+ IEC-60320 IEC320 C5 to NEMA 5-15P Extra Long 15 Ft 3 Prong AC Laptop Power Cord Cable for Dell IBM HP Compaq...
L: Brightest Bike Light on Amazon - Comes With FREE TAIL LIGHT(Limited Time) - Tools-Free Installation in Seconds. Sports & Outdoors. Outdoor Recreation. Incredibright.
M: Sunhiker Shoulder Backpack, C822 Casual Cross Body Bag Outdoor Sling Bag Chest Pack with Adjustable Shoulder Strap for Cycling Hiking Camping Travel and Men Women...
N: OXO Good Grips Locking Can Opener with Lid Catch. Home & Kitchen. Kitchen & Dining. OXO.
O: Buschman Store Tolix-Style Metal Indoor Outdoor Stackable Dinning Chairs with Back , Set of 4 , Bronze. Home & Kitchen. Furniture. Buschman Store.
P: Zoodles Maker | Julienne Peeler Slicer For Vegetables Potato Carrot Butternut Squash Zucchini Noodle Fruit Cheese | Kitchen Veggie Pealer and Zoodler With Comfortable Handle...
Q: Loloi WESNHWS01CCGO2339 Weston Area Rug, 2' 3" x 3' 9", Charcoal/Gold. Home & Kitchen. Home Dcor. Loloi.
R: DLO - Philips Silicone Case (Jam Jacket) with Adjustable Armband for iPod Nano 4G (Black/Gray), DLA64012/17. Electronics. Portable Audio & Video. DLO.
S: Feyachi BoreSighter Bore Sight kit for 0.22 to 0.50 Caliber Rifles Handgun Red Laser. Sports & Outdoors. Sports & Fitness. Feyachi.
T: 9V Battery Charger Tester Analyzer Model BT-C84 for Li-ion 8.4V PP3 6F22 Block 9V Rechargeable Batteries. Electronics. Accessories & Supplies. OPUS.
Answer: S