Task: Sequential_Recommendation

system
You are a helpful assistant. The assistant first thinks about the reasoning process in the mind by using Belief-Desire-Intention (BDI) framework and then provides the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively. 
Below is an instruction that describes a task. After thinking, when you finally reach a conclusion based on the customer's intention, desire and belief, clearly state the BDI thinking process within <think> </think> and then the answer within <answer> </answer> tags.


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

Input:
Purchase History:
1st: Omron Heart Rate Monitor Watch. Sports & Outdoors. Sports & Fitness. Omron.
2nd: New Era MLB Game Authentic Collection On Field 59FIFTY Fitted Cap. Sports & Outdoors. Fan Shop. New Era.
3rd: Speedo Men's Endurance+ Polyester Solid Jammer Swimsuit. Sports & Outdoors. Sports & Fitness. Speedo.
4th: Speedo Men's Endurance+ Polyester Solid Jammer Swimsuit. Sports & Outdoors. Sports & Fitness. Speedo.
5th: White Sierra Men's 30-Inch Inseam Insulated Snow Pant. Sports & Outdoors. Outdoor Recreation. White Sierra.
6th: Cutters Gloves Men's Prime Hero Baseball Batting Glove. Sports & Outdoors. Sports & Fitness. Cutters.
7th: Columbia Men's Steens Mountain Full Zip 2.0 Soft Fleece Jacket. Sports & Outdoors. Outdoor Recreation.
8th: Smith Optics Holt Helmet. Sports & Outdoors. Outdoor Recreation. Smith Optics.
9th: Epson PULSENSE PS-100 Heart Rate Monitor with Activity Tracking for iOS - Black S/M. Sports & Outdoors. Sports & Fitness. Epson.
10th: AmazonBasics Pull-Up and Exercise Bar. Sports & Outdoors. Sports & Fitness.
11th: Master Lock 8143D Combination Bike Lock, 4 ft Long, Black. Sports & Outdoors. Outdoor Recreation. Master Lock.
12th: Marcy Fan Exercise Bike with Air Resistance System – Red and Black – NS-1000. Sports & Outdoors. Sports & Fitness. Marcy.
13th: Fiebings Pro Dye.  Fiebing's.
14th: Adidas Performance Flat Training Bench. Sports & Outdoors. Sports & Fitness. adidas.
15th: Cap Barbell Olympic 2-Inch Weight Plate, Gray, Single. Sports & Outdoors. Sports & Fitness. CAP Barbell.
16th: Dreapark 2" Olympic Barbell Clamp Locking Collars with Quick Release (1 Pair). Sports & Outdoors. Sports & Fitness. Dreapark.

Options:
A: BrylaneHome 2-Tier Dish Rack (SILVER,0). Home & Kitchen. Kitchen & Dining. D.K.
B: Cyalume SnapLight 6" Industrial Grade Glow Sticks, Multi-Color 12 Pack (Green, White, Red, Orange, Yellow, Blue) Light Sticks. Sports & Outdoors. Outdoor Recreation. Cyalume.
C: Body-Solid Tools Olympic Straight Bar (OB86B), 7 Feet, Black. Sports & Outdoors. Sports & Fitness. Body-Solid.
D: New OEM Samsin ECO Disk Ear Bud Mono 3.5mm Headset with Mic for Motorola Droid Bionic, Samsung Droid Charge i510, LG Revolution VS910, LG Cosmos...
E: Escape & Evade® Wrist Compass - Luminous - Grade AA - Flip-Top Shell. Sports & Outdoors. Sports & Fitness. Survival Metrics.
F: LotFancy New Black keyboard for Toshiba Satellite A665-S6092 A665-S6093 A665D-S6075 A665D-S6076 A665D-S6082 A665D-S6083 A665D-S6084 A665D-S6091 A665D-S6096 Laptop / Notebook US Layout. Electronics. Computers & Accessories...
G: Bluetooth Adapter Receiver,URANT Car Kit Mini USB Wireless Audio Adapter Bluetooth Music Receiver & Adapter Home/Car Phone iPhone Stereo Speakers Headphones Car (AUX in) Music...
H: GreenInsync Colorful Replacement Accessory Wrist Bands laser style for Fitbit FLEX (Replacement Bands with Clasps). Sports & Outdoors. Sports & Fitness. Coolxh.
I: Logitech MX Master Wireless Mouse – High-precision Sensor, Speed-adaptive Scroll Wheel,  Thumb Scroll Wheel, Easy-Switch up to 3 Devices. Electronics. Computers & Accessories. Logitech.
J: Blackpine Sports Grizzly Pillow. Sports & Outdoors. Outdoor Recreation. Blackpine Sports.
K: 9" Advent Candle Holder - Advent Wreath - Baby Jesus and Barn Animals. Home & Kitchen. Home Dcor. Roman.
L: MyGift White Ceramic Vintage Style French Country Water Pitcher Flower Vase/Decorative Bouquet Holder. Home & Kitchen. Home Dcor. MyGift.
M: SONGMICS 100% Bamboo Dish Drying Rack, 18 Slot Collapsible 2-Tier Dish Cup Holder, Folding Utensil Drainer, Holds 18 Dish 3-6 Cups for Kitchen Restaurant UKAB901...
N: 1000 CD DVD Silver Aluminum Media Storage Case Mess-Free Holder Box with Sleeves no hanger. Electronics. Accessories & Supplies. Hongwa.
O: Raidmax Smilodon SECC Steel ATX Mid Tower Foldout MB Computer Case ATX612WBP Black. Electronics. Computers & Accessories. Raidmax.
P: Tech Armor Microsoft Surface Pro (2017) and Surface Pro 4 Anti-Glare/Anti-Fingerprint Film Screen Protector [2-Pack]. Electronics. Computers & Accessories. Tech Armor.
Q: NIANPU Adjustable Tactical Army Pistol Gun Thigh Holster Pouch Holder For Right drop Leg. Sports & Outdoors. Sports & Fitness. NIANPU.
R: 6 inch ReadyPlug® USB Power Cable Compatible With: Google Chromecast Stick M to Male USB 2.0 Cord (Black, 6 inches). Electronics. Computers & Accessories. ReadyPlug.
S: Happy Sales 5 Pc Japanese Style Sake set White. Home & Kitchen. Kitchen & Dining. Happy Sales.
T: Gore Bike Wear Men's Countdown Active Shell Vest. Sports & Outdoors. Outdoor Recreation. GORE WEAR.


assistant
Answer: C