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: Kershaw Skyline (1760), Lightweight Pocketknife, Manual Open 3.1" High-Performance Sandvik 14C28N Stainless Steel Blade, Stonewashed Finish, Textured G-10 Handle, Reversible Pocket Clip, 2.5 OZ. ...
2nd: Gaiam Yoga Block - Supportive Latex-Free EVA Foam Soft Non-Slip Surface for Yoga, Pilates, Meditation. Sports & Outdoors. Sports & Fitness. Gaiam.
3rd: RumbleRoller - Textured Muscle Foam Roller Manipulates Soft Tissue Like A Massage Therapist. Sports & Outdoors. Sports & Fitness. RumbleRoller.
4th: Garos Goods GG4SSC-BRK Four Sided Strop with Compound. Sports & Outdoors. Sports & Fitness. Garos Goods.
5th: ANTONINI 01OB001 Old Bear Knife by Medium. Sports & Outdoors. Sports & Fitness. ANTONINI.
6th: Opinel Carbon Steel Folding Everyday Carry Locking Pocket Knife. Sports & Outdoors. Sports & Fitness. Opinel.
7th: Electric Heated Vest for Men | Keeps You Warm for Longer | Adjustable Temperature | Comfortable & Lightweight Material | Portable & Washable | for...

Options:
A: Sports Research Sweet Sweat Premium Waist Trimmer (Pink Logo) for Men & Women ~ Includes Free Sample of Sweet Sweat Gel!. Sports & Outdoors. Sports...
B: DeSantis Cozy Partner Holster for Glock 42. Sports & Outdoors. Sports & Fitness. DeSantis.
C: Hatsan .177-10-Shot Magazine. Sports & Outdoors. Sports & Fitness. Hatsan.
D: Ultra Pro 3-Pocket Platinum Page for 4" X 6" Photos 100 ct. Home & Kitchen. Home Dcor. Ultra Pro.
E: KitchenAid RKFP0922CU  Food Processor with ExactSlice System  9-Cup, Contour Silver, (Certified Refurbished). Home & Kitchen. Kitchen & Dining. KitchenAid.
F: HTC RC E160 3.5mm Stereo Headset with Music Controls for HTC Aria, Evo 3D, Evo 4G, Hero, Inspire 4G and myTouch - Black. Electronics. Headphones...
G: Rally Fitness Slam Ball. Sports & Outdoors. Sports & Fitness. Rally Fitness.
H: Deluxe Emergency Paracord Survival Tool Grenade For Camping Fishing Hiking Outdoor Activities ( 26 in 1 ). Sports & Outdoors. Outdoor Recreation.
I: Bellaa 22319 Thai Elephant with Trunk Raised Incense Burner Figurine Statue. Home & Kitchen. Home Dcor. Bellaa.
J: Ball Jar Sure Tight Band Tool. Home & Kitchen. Kitchen & Dining. Ball Jar.
K: Panlong Bi-Directional Digital Coaxial Audio Switch Coax Switcher Selector 2x1 or 1x2. Electronics. Accessories & Supplies. Panlong.
L: Gigaware® 2-Port USB 3.0 PCI Card. Electronics. Computers & Accessories. Gigaware.
M: Victory Trophy Hunter 350 Arrows, Pack of 12. Sports & Outdoors. Sports & Fitness. Victory.
N: Lighting Jack Adapter,3.5 mm Headphone Jack Adapter Lighting Connector,AUX Audio Jack Earphone Extender Jack Stereo Phone X Phone 8/8Plus Phone 7/7Plus Support iOS 11 (White)...
O: Halex Competition 1000 Darts. Sports & Outdoors. Sports & Fitness. Halex.
P: Interstate Arms Corp Outdoor Connection Super Sling. Sports & Outdoors. Sports & Fitness. Interstate Arms Corp.
Q: Heathyoga Yoga Strap, Organic Cotton with Adjustable D-Ring Buckle for Yoga, Stretching, Workouts and Physical Therapy, Standard 8ft.  Heathyoga.
R: Culina SS-CUL-20130 20130 Premium 15 Quality Splatter Screen. Home & Kitchen. Kitchen & Dining. Culina.
S: Garmin nvi 52LM 5-Inch Portable Vehicle GPS with Lifetime Maps (US) (Certified Refurbished). Electronics. GPS, Finders & Accessories. Garmin.
T: CableDeconn Aluminum Multi-Function Thunderbolt Mini Displayport 1.2 to HDMI 4K& VGA Converter Adapter Cable for Apple Macbook Pro air, iMac Surface pro2 3 4 Mini...
Answer: Q