Instruction: Rank items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
1st: Polar RCX5 Heart Rate Monitor. Sports & Outdoors. Sports & Fitness. Polar.
2nd: Pearl Izumi - Ride Elite Thermal Wool Socks. Sports & Outdoors. Outdoor Recreation. Pearl Izumi - Ride.
3rd: SHIMANO 6800 Ultegra 11-Speed Crankset. Sports & Outdoors. Outdoor Recreation. SHIMANO.
4th: Balega Hidden Comfort Athletic No Show Running Socks for Men and Women with Seamless Toe, (X-Large) - Zest Lemon. Sports & Outdoors. Sports & Fitness...
5th: Jolly Gear Lacrosse Massage Balls for Self Myofascial Release and Deep Tissue Trigger Point Therapy. Sports & Outdoors. Sports & Fitness. Jolly Gear.

Options:
A: Primus LiTech Coffee/Tea. Sports & Outdoors. Outdoor Recreation. Primus.
B: Bolse USB Network Adapters, Laptop Computer Network Card Adapters, Dual-Band N600 USB Wireless Wifi Adapter Optimized for HD Video & Gaming, 2.4GHz 300Mbps/5Ghz 300Mbps. Electronics...
C: Wilton Perfect Results Premium Non-Stick Bakeware Oblong Cake Pan, Easy Snap On/Off Cover for Maximum Protection, 13 by 9-Inch. Home & Kitchen. Kitchen & Dining...
D: Panasonic DMC- SZ8K 16.0 Digital Camera with 3.0-Inch LCD (Black). Electronics. Camera & Photo. Panasonic.
E: Daixers 5pcs Extra Thick Silicone Trivet Mat, Hot Pads Non-slip Silicone Insulation Mat For Home Use (5 Colors). Home & Kitchen. Kitchen & Dining. Daixers.
F: Pioneer Elite VSX60 7.2-Channel Network Ready AV Receiver. Electronics. Home Audio. Pioneer.
G: Chef Essential Stainless Steel Salad Spinner with Non-Slip Serving Bowl, Colander and Strorage Lid. Home & Kitchen. Kitchen & Dining. Chef Essential.
H: KitchenPRO Electric Salad Slicer Shredder Food Processor with No-Mess Handle. Home & Kitchen. Kitchen & Dining. KitchenPRO.
I: adidas Performance F50 Youth Shin Guards. Sports & Outdoors. Sports & Fitness. adidas.
J: Peckermints Pecker Breath Mints. Home & Kitchen. Event & Party Supplies. Hott Products.
K: FSA Wing Pro Compact Handlebar. Sports & Outdoors. Outdoor Recreation. FSA.
L: Logisys CF120RD 120mm Ball-Bearing Red LED PC Computer Case Fan w/3+4pin Power. Electronics. Computers & Accessories. Logisys.
M: Robiear 15pcs assorted Sizes Lot Fishing Lure Floats Bobbers Slip Drift Tube. Sports & Outdoors. Sports & Fitness. Robiear.
N: Bionaire Electric Fireplace Heater with Remote Control. Home & Kitchen. Heating, Cooling & Air Quality. Bionaire.
O: Bell Meteor LED Silicon Light Set. Sports & Outdoors. Outdoor Recreation. Bell.
P: The Great American Hanger Company Wood Suit Hanger w/Solid Wood Bar, Box of 100 Space Saving 17 Inch Flat Wooden Hangers w/Walnut Finish & Chrome...
Q: Kelty Deluxe Lounge Chair Smoke/Paradise Blue. Sports & Outdoors. Outdoor Recreation. Kelty.
R: ZMODO 8Channel D1 DVR Security Camera System w/ 4 outdoor Day/Night 600TVL Hi-Resolution cctv Surveillance Cameras No Hard Drive. Electronics. Camera & Photo. Zmodo.
S: Balega Hidden Comfort Athletic No Show Running Socks for Men and Women with Seamless Toe, (Medium) - White . Sports & Outdoors. Sports & Fitness...
T: InterDesign Turn-N-Lock Steel Shower Basket for Bathroom - Small, Silver. Home & Kitchen. Bath. InterDesign.
Answer: S