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: Harbinger Pro Non-Wristwrap Vented Wash & Dry Glove with Padded Leather Palm (Old Style). Sports & Outdoors. Sports & Fitness. Harbinger.
2nd: Sugoi Men's 9-Inch Piston 200 Tri Pocket Short. Sports & Outdoors. Sports & Fitness. SUGOi.
3rd: 2XU Men's Comp Triathlon Singlet. Sports & Outdoors. Sports & Fitness. 2XU.
4th: Pro Bike Tool Bike Pump with Gauge Fits Presta and Schrader - Accurate Inflation - Mini Bicycle Tire Pump for Road, Mountain and BMX Bikes,...
5th: Cannondale Alloy Side Water Bottle Cage. Sports & Outdoors. Outdoor Recreation. Cannondale.
6th: Allnice Bike Bag, Waterproof Touch Screen Bike Handlebar Bag Mountain Road MTB Bicycle Front Phone Frame Bag Holder iPhone 7 Plus 6s 6 Plus/Samsung Galaxy...
7th: Mens Athletic Dri-fit Two-tone Stringer Tank Top By Pitbull. Sports & Outdoors. Sports & Fitness. Pitbull Gym.
8th: FUN TOES 2.5MM Neoprene Socks for Water Sports SNUG FIT for Women & Men - 2 Pairs of Snorkel Fin Socks for Scuba Diving, Snorkeling,...

Options:
A: PUMA Golf NA Men's Yarn Dye Stripe Block Polo. Sports & Outdoors. Sports & Fitness. PUMA.
B: Geforce 8400GS Pcie 256MB DDR2 3PORTS Dvi Tv Out VGA DX10 HDtv. Electronics. Computers & Accessories. MSI.
C: Ice Hockey Ornament. Home & Kitchen. Home Dcor. Kurt Alder.
D: OXO Good Grips POP Container – Airtight Food Storage – .8 Qt for Nuts and More. Home & Kitchen. Kitchen & Dining. OXO.
E: Columbia Sportswear Women's Siren Splash 1/2 Zip Hoodie. Sports & Outdoors. Outdoor Recreation. Columbia.
F: Apple iPod mini Dock  (Discontinued by Manufacturer). Electronics. Portable Audio & Video. Apple.
G: Bestcompu ®New CPU Cooling Fan for Dell inspiron 15R 17 17R 3521 3721 5521 5535 5721 5737 15-3521 15R-5537 15-3537 15RV 15R-5521 7H5H9 74X7K 074X7K...
H: CWK® New Replacement Laptop Notebook Battery for Apple iBook G3 12 M7721LL/A 661-2436 M6392 M7426 Apple iBook 661-2395 661-2436 M6392 M7426 M7462G M7462GA M7462G/A Apple...
I: VW-VBG6 6600mAh Li-Ion Camcorder Battery for Panasonic AG-AC160A, AG-AC7, AG-AC130A, AG-AC160A, AG-HMC40, AG-HMC70, AG-HMC150 & an eCostConnection Microfiber Cloth. Electronics. Camera & Photo. eCost.
J: Pearl Izumi Thermal Run Hat. Sports & Outdoors. Sports & Fitness. Pearl iZUMi.
K: Set of 12 Flameless Mini Votives with Timer - Cream. Home & Kitchen. Home Dcor. Candle Impressions.
L: Crosman SM2C21 C21/31 Spare Magazine (2-Pack). Sports & Outdoors. Sports & Fitness. Crosman.
M: Nikon Coolpix L29 16.1 MP Point and Shoot Camera with 5x Optical Zoom (Silver). Electronics. Camera & Photo. Nikon.
N: Update International (WM-34) Iced Tea Spoon - Windsor Series [Set of 12]. Home & Kitchen. Kitchen & Dining. Update International.
O: Portable Wireless Intercom System for Home or Office - NLS2. Electronics. Security & Surveillance.
P: Best Price Mattress 12-Inch Memory Foam Mattress and Metal Platform Bed Frame Set, King. Home & Kitchen. Furniture. Best Price Mattress.
Q: Fuji FinePix F20 Digital Camera. Electronics. Camera & Photo. Fujifilm.
R: Jed North Men's Fitted Shorts Bodybuilding Workout Gym Running Tight Lifting Shorts. Sports & Outdoors. Sports & Fitness. Jed North.
S: Cotton Craft Quick Dry 6 Piece Towel Set, Red Spice Rapid Drying Energy Efficient, 100% Cotton Super Soft & Absorbent Yarns, Each set contains 2...
T: Helinox Chair One Tactical Camp Chair Blue Tiger Camo One Size. Sports & Outdoors. Outdoor Recreation. Helinox.


assistant
Answer: R