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: CRANKBROTHERs Crank Brothers Candy 3 Hangtag Bike Pedal. Sports & Outdoors. Outdoor Recreation. CRANKBROTHERs.
2nd: KLOUD City Black Soft Gel Relief Bike Saddle Seat Cushion Pad Cover (Straight and Triangle Groove). Sports & Outdoors. Outdoor Recreation. KLOUD City.

Options:
A: Flambeau Heated Gear Gloves Kit. Sports & Outdoors. Sports & Fitness. Flambeau.
B: Apollo23 - Capacitive Touch Screen Stylus Pen Stick for Apple iPhone iPad iPod Samsung Kindle BlackBerry, One Each of Black/Hot Pink/Blue. Electronics. Computers & Accessories...
C: Columbia Women's Bugaboo Interchange Jacket. Sports & Outdoors. Outdoor Recreation. Columbia.
D: Jolly Jukebox 2013 Hallmark Ornament. Home & Kitchen. Home Dcor. Hallmark.
E: Sensor Swab Plus Type 2 w/Eclipse (Pkg of 4). Electronics. Camera & Photo. Photographic Solutions.
F: Aurum High Speed HDMI Cable with Ethernet (75 FT) CL2 Rated For In-Wall-Installation - Supports 3D & Audio Return Channel - Full HD [Latest Version]...
G: Neewer Acrylic Plastic 10x8"/25x20cm Director's Film Clapboard Cut Action Scene Clapper Board Slate with Color Sticks. Electronics. Camera & Photo. Neewer.
H: TsirTech® Smart Table For iPads and Tablets with Built in Charger-Black. Electronics. Computers & Accessories. TsirTech.
I: Snap Black Rope Embossed Tabletop Frame, 3 by 3-Inch. Home & Kitchen. Home Dcor. Snap.
J: Peugeot 32470 Paris Chef u'Select Stainless Steel 18cm - 7" Pepper Mill. Home & Kitchen. Kitchen & Dining. Peugeot.
K: Spy Tec G1WH Full HD 1080P H.264 Car DVR Camera Recorder Dashboard Cam| Black. Electronics. Car & Vehicle Electronics. SpyTec.
L: Nc Star Quick Release Cantilever Ring Mount, 30 mm. Sports & Outdoors. Sports & Fitness. NcSTAR.
M: FoxRiver Four Layer Glove. Sports & Outdoors. Outdoor Recreation. FoxRiver.
N: Morul U5PLUS Magnetic Sport Waterproof Bluetooth In-ear Headphones with Mic, Red. Electronics. Headphones. mifo.
O: Beer Bottle Cap Catcher - Matches Perfectly With Wall Mounted Bottle Openers - Premium 1mm Thick Stainless Steel Quality - 2 Screws Included - Lifetime...
P: RadioShack Indoor HDTV Antenna. Electronics. Television & Video. RadioShack.
Q: Household Essentials Simple Cedar Keepsake Decorative Box. Home & Kitchen. Home Dcor. Household Essentials.
R: US Divers Trek Travel Fin With Mesh Carrying Bag. Sports & Outdoors. Outdoor Recreation. U.S. Divers.
S: Ocean Lovers Gifts Sorry Too Busy Being a Mermaid Nautical 2 Pack Gift Coffee Mugs Tea Cups Pattern. Home & Kitchen. Kitchen & Dining. ThisWear.
T: Precision Design Multi-Use Laptop/Tablet Digital SLR Camera Backpack Case (Black/Red) with Cleaning Kit for Canon EOS 60D, 6D, 7D, 5D Mark II III, Rebel T3,...


assistant
Answer: R